| ↑ | D.PEN | Penal law / Criminal law |  ≈ 345 |
| ↑ | D.PRI | Private law | ≈ 346 |
| ↑ | D.PRI.A | Companies, enterprises, shareholders | ≈ 346.06 |
| ↑ | D.PRI.B | Commercial law | ≈ 346.07 |
| ↑ | D.PRI.C | Private and civil law, civil procedure | ≈ 346 |
| ↑ | D.PRI.E | Bankruptcy law | ≈ 346.078 |
| ↑ | D.PRI.F | Industrial law (patents and licenses) | ≈ 346 |
| ↑ | D.PRI.G | Labour law | ≈ 344 |
| ↑ | D.PUB | Public law | ≈ 342 |
| ↑ | D.PUB.A | Regional law | ≈ 342 |
| ↑ | D.PUB.B | Parliamentary law | ≈ 342 |
| ↑ | D.PUB.C | Public economic law, accounting | ≈ 342 |
| ↑ | D.PUB.D | Philosophy of law, political sciences, sociology | ≈ 340.1 342 |
| ↑ | D.PUB.E | Science of finance, tax law | ≈ 343.04 |
| ↑ | D.PUB.F | Administrative law | ≈ 342 |
| ↑ | D.PUB.G | International law | ≈ 342 |
| ↑ | D.PUB.H | European Union law | ≈ 342 341.2422 |
| ↑ | D.PUB.L | Public comparative law | ≈ 342 340.2 |
| ↑ | D.PUB.M | Environmental law | ≈ 344.046 |
| ↑ | D.PUB.N | Health law | ≈ 342 344.04 |
| ↑ | DD. | Diplomatic documents | ≈ 327.2 |
| ↑ | DD.CH | Diplomatic documents of Switzerland | ≈ 327.2 |
| ↑ | DD.FR | Diplomatic documents of France | ≈ 327.2 |
| ↑ | DD.GB | Diplomatic documents of Great Britain | ≈ 327.2 |
| ↑ | DD.IT | Diplomatic documents of Italy | ≈ 327.2 |
| ↑ | DD.IT AFR | Diplomatic documents Italy / Africa | ≈ 327.2 |
| ↑ | DD.USA | American diplomatic documents | ≈ 327.2 |
| ↑ | I.B | History of politcal doctrines | ≈ 320.09 |
| ↑ | I.D | Doctrines (Orient) | ≈ 320 |
| ↑ | I.E | History of political parties and movements | ≈ 324.209 |
| ↑ | I.F | Slavery | ≈ 326 |
| ↑ | I.G | Archives | ≈ 320 |
| ↑ | I.H | Politcal doctrines (Middle Ages) | ≈ 320.01 |
| ↑ | I.I | History of social institutions | ≈ 306.09 |
| ↑ | II.A | International politics | ≈ 327 |
| ↑ | II.B | International politics (conflicts) | ≈ 327.16 |
| ↑ | II.C | International law | ≈ 341 |
| ↑ | II.D | International politics (manuals and depositions) | ≈ 327 |
| ↑ | II.E | Laws of Native Americans | ≈ 970 348 |
| ↑ | II.F | Diplomatic relations | ≈ 327 |
| ↑ | II.G | Foreign affairs | ≈ 327.1 |
| ↑ | III.C | International politics | ≈ 327 |
| ↑ | ISPE | Economic politics | ≈ 330 |
| ↑ | IX.A | Poltical studies | ≈ 320 |
| ↑ | IX.B | Political philosophy | ≈ 320.01 |
| ↑ | IX.C | Political sociology | ≈ 301 |
| ↑ | IX.D | International politics | ≈ 327 |
| ↑ | IX.E | Political studies | ≈ 320 |
| ↑ | IX.F | Political studies (democracy) | ≈ 321.8 |
| ↑ | IX.G | Political studies (Church) | ≈ 322.1 |
| ↑ | SP.1 | History of political thought and political philosophy | ≈ 320.01 |
| ↑ | SP.10 | International relations | ≈ 327 |
| ↑ | SP.11 | Ideology | ≈ 320.5 |
| ↑ | SP.12 | Political parties and party systems | ≈ 324.2 |
| ↑ | SP.13 | Pressure groups and movements | ≈ 322.43 |
| ↑ | SP.14 | Politcal institutions and regimes | ≈ 321 |
| ↑ | SP.15 | Science of administration and organization | ≈ 350 |
| ↑ | SP.16 | Public politics analysis | ≈ 320 |
| ↑ | SP.17 | Local government | ≈ 321 |
| ↑ | SP.18 | Electoral behavior | ≈ 324.63 324.7 |
| ↑ | SP.19 | Political culture and socialization | ≈ 323 |
| ↑ | SP.2 | Sociology and theory of law | ≈ 340.115 |
| ↑ | SP.20 | Political change and development | ≈ 321.09 |
| ↑ | SP.21 | Description of political systems | ≈ 321 |
| ↑ | SP.22 | Political anthropology | ≈ 301 |
| ↑ | SP.23 | Sociological theory | ≈ 301.01 |
| ↑ | SP.3 | Political and social psychology | ≈ 302 |
| ↑ | SP.6 | General political theory | ≈ 320.01 |
| ↑ | SP.7 | Political powers and elites | ≈ 324.4 |
| ↑ | SP.8 | Political and social conflicts | ≈ 303.6 |
| ↑ | SP.9 | Political communications and symbols | ≈ 324 |
| ↑ | STA | Statistics | ≈ 310 |
| ↑ | STA10 | International trade | ≈ 343.087 |
| ↑ | STA11 | Tourism and transport | ≈ 790.18 358.44 |
| ↑ | STA12A | Cultural statistics | ≈ 310 306 |
| ↑ | STA12B | Show business and free time | ≈ 353.77 790.1 |
| ↑ | STA13 | Legal statistics | ≈ 310 340 |
| ↑ | STA14A | Electoral statistics | ≈ 310 324.6 |
| ↑ | STA14B | Residences and building | ≈ 352.16 |
| ↑ | STA15 | Economic cycles and conjuncture | ≈ 330.904 |
| ↑ | STA1A | Handbooks of statistics and economy | ≈ 310.723 330.01 |
| ↑ | STA1B | Conferences' acts and bibliographies | ≈ 310 |
| ↑ | STA1C | Methodological studies (ONU) | ≈ 341.23 |
| ↑ | STA2A | International statistics annual reports | ≈ 314 |
| ↑ | STA2D | ISTAT (methods and regulations) | ≈ 310 |
| ↑ | STA3A | Environmental problems | ≈ 363.7 310 |
| ↑ | STA3B | Urban demography and economy | ≈ 304.6 330.91732 |
| ↑ | STA3C | Health statistics | ≈ 310 616 |
| ↑ | STA3D | Demographic annual reports | ≈ 310 304.6 |
| ↑ | STA3E | Migratory movements | ≈ 304.8 |
| ↑ | STA3F | Demography (handbooks and studies) | ≈ 304.6 310 |
| ↑ | STA4 | Statistics and labour economics | ≈ 310 331 |
| ↑ | STA5 | Consumer goods (prices) | ≈ 310 338.52 |
| ↑ | V.E | International politics | ≈ 327 |
| ↑ | VII.D | International politics | ≈ 327 |
| ↑ | VIII.E | Diplomatic agreements | ≈ 327.2 |
| ↑ | XII.D | Foreign policy FR | ≈ 327.1 |
| ↑ | XII.G | European international politics | ≈ 327 |
| ↑ | XIII.A | Economic policy | ≈ 337 |
| ↑ | XIII.B | Economic policy FR | ≈ 337 |
| ↑ | XIV.A | Economic historycal studies | ≈ 330.09 |
| ↑ | XIV.B | Financial economics | ≈ 336 |
| ↑ | XIV.C | Political economy | ≈ 330 |
| ↑ | XIV.D | Liberalism and protectionism | ≈ 382 320.51 |
| ↑ | 01 | | → 330 |
| ↑ | 02 | | → 330.1 |
| ↑ | 03 | | → 330.1 |
| ↑ | 04 | | → 330.9 |
| ↑ | 05 | | → 330.12 |
| ↑ | 11 | | → 338.9 |
| ↑ | 12 | | → 338.9 |
| ↑ | 13 | | → 338.54 |
| ↑ | 21 | | → 330.0151 |
| ↑ | 23 | | → 332 519.8 |
| ↑ | 231 | | → 332 519.8 |
| ↑ | 239 | | → 332 519.8 |
| ↑ | 271 | | → 3 |
| ↑ | 277 | | → 371.334 |
| ↑ | 28 | | → 330.0151 |
| ↑ | 281 | | → 330.0151 |
| ↑ | 282 | | → 330.0151 |
| ↑ | 283 | | → 330.0151 |
| ↑ | 284 | | → 330.0151 |
| ↑ | 285 | | → 330.0151 |
| ↑ | 288 | | → 330.0151 |
| ↑ | 289 | | → 330.0151 |
| ↑ | 31 | | ≈ 332.401 |
| ↑ | 32 | | → 339.5 |
| ↑ | 41 | | → 343.087 |
| ↑ | 42 | | → 327 |
| ↑ | 43 | | → 382.17 |
| ↑ | 44 | | → 338.91 |
| ↑ | 61 | | → 338.6 |
| ↑ | 62 | | → 338 |
| ↑ | 63 | | → 338 |
| ↑ | 64 | | → 338.45 |
| ↑ | 73 | | → 330.9 |
| ↑ | 81 | | → 331.1 |
| ↑ | 82 | | → 331.1 |
| ↑ | 83 | | → 331.8 |
| ↑ | 84 | | → 331 |
| ↑ | 85 | | → 331.1 |
| ↑ | 91 | | → 331 |
| ↑ | 92 | | → 331 |
| ↑ | 93 | | → 330.91732 |
| ↑ | 94 | | → 330.9 |
| ↑ | ROI | | → 327 |
| ↑ | ROI.2 | | → 320 |
| ↑ | ROI.3 | | → 340 |
| ↑ | ROI.4 | | → 330 |
| ↑ | 005.8 | data security | → 343 |
| ↑ | 170 | ethics generally, bioethics | → 340.112 |
| ↑ | 172 | | → 320.01 |
| ↑ | 172.4 | ethics of international relationships, peace | → 327.172 |
| ↑ | 262.9 | Church law | → 346.016 346.45016 |
| ↑ | 297 | Islam | → 181.07 305.697 340.59 |
| ↑ | 304.2 | human ecology | → 363.7 577 |
| ↑ | 304.5 | nature and culture, human ethology, sociobiology | → 320 591.5 |
| ↑ | 304.8 | population movements | → 325 |
| ↑ | 305.42 | social function and status of women | → 331.4 |
| ↑ | 305.697 | Muslims | → 297 305.8927 |
| ↑ | 305.8 | ethnical groups | → 320 |
| ↑ | 305.800968 | apartheid | → 323.168 968 |
| ↑ | 305.8927 | Arabs | → 305.697 |
| ↑ | 320 | anthropology in general | → 304.5 305.8 599.93 |
| ↑ | 320.531 | socialism | → 335 |
| ↑ | 320.9174927 | polical conditions in Arab countries | → 320.956 |
| ↑ | 320.94 | political conditions in Europe | → 341.2422 |
| ↑ | 320.956 | political conditions in Middle East | → 320.9174927 956 |
| ↑ | 320.95694 | political conditions in Palestine and Israel | → 327.5694 956.94 |
| ↑ | 320.965 | political conditions in Algeria | → 349.65 |
| ↑ | 323.168 | minority rights in South Africa | → 305.800968 968 |
| ↑ | 324.2 | political parties | → 329 |
| ↑ | 325 | migration | → 304.8 331.6 |
| ↑ | 327 | international relations | → 172.4 337 341 |
| ↑ | 327.17 | international cooperation | → 341.7 |
| ↑ | 327.172 | promotion of peace | → 172.4 341.1 |
| ↑ | 327.4 | European international relations | → 341.2422 |
| ↑ | 327.5694 | international relations of Israel and Palestine | → 320.95694 956.94 |
| ↑ | 329 | political parties [obsolete] | → 324.2 |
| ↑ | 330.17 | theory of property | → 346.04 346.4504 |
| ↑ | 330.96 | economic conditions in Africa | → 335.0096 338.96 |
| ↑ | 331.4 | working women | → 305.42 |
| ↑ | 331.6 | workers of particular ethnic groups | → 325 |
| ↑ | 332.1 | banks | → 346.08 |
| ↑ | 333.3 | private property, expertise | → 346.043 |
| ↑ | 333.33 | land sell | → 346.0436 |
| ↑ | 333.7 | natural resources, energy | → 338.927 354 621.31 720.47 |
| ↑ | 333.72 | conservation | → 344.046 639.9 719 ≈ S.SPEC.32.BJ `18C |
| ↑ | 335 | socialist economy | → 320.531 |
| ↑ | 335.0096 | socialism in Africa | → 330.96 |
| ↑ | 337 | international economical politics | → 327 338.91 |
| ↑ | 338.02 | products and services, study of commodities | → 333.7 |
| ↑ | 338.1096 | economics of African agriculture | → 330.96 916 |
| ↑ | 338.91 | international development and growth | → 337 |
| ↑ | 338.927 | environmental economy, sustainable development | → 333.7 720.47 |
| ↑ | 338.96 | economical development of Africa | → 330.96 |
| ↑ | 340.59 | Islamic law | → 297 349.65 |
| ↑ | 340.92 | conflict of laws on contracts and representation | → 346.02 |
| ↑ | 341 | international law | → 327 |
| ↑ | 341.1 | pacifism [obsolete] | → 327.172 |
| ↑ | 341.2422 | treatises of European Union | → 320.94 327.4 |
| ↑ | 341.45 | open sea | → 387.5 |
| ↑ | 341.7 | international cooperation law | → 327.17 |
| ↑ | 342.06 | administrative law | → 342.4506 |
| ↑ | 342.066 | administrative procedure | → 342.45066 |
| ↑ | 342.085 | rights and personal activities | → 342.45085 |
| ↑ | 342.0853 | freedom of information and opinion | → 342.450853 |
| ↑ | 342.0858 | privacy protection | → 342.240858 342.450858 |
| ↑ | 342.0878 | women rights | → 342.450878 |
| ↑ | 343.02 | public heritage law | → 343.4502 |
| ↑ | 343.025 | real estate | → 343.45025 |
| ↑ | 343.07 | economical law | → 343.4507 |
| ↑ | 343.071 | protection of consumers | → 343.45071 |
| ↑ | 343.076 | agriculture regulation | → 343.45076 630 |
| ↑ | 343.078 | secondary industries and services | → 343.45078 |
| ↑ | 343.08 | trade regulation | → 343.4508 |
| ↑ | 343.09 | public service law | → 343.4509 |
| ↑ | 343.094 | road transport law | → 343.45094 363.125 629.2 |
| ↑ | 343.094026 | traffic laws | → 343.45094026 |
| ↑ | 344 | social law, safety, environment, nature reserves | → 333.72 363 614 690.22 ≈ S.SPEC.32.BJ e al Botta 2 |
| ↑ | 344.01 | labour law | → 344.4501 |
| ↑ | 344.017 | professional qualification law | → 344.45017 |
| ↑ | 344.04 | law of social problems and services | → 344.4504 362 |
| ↑ | 344.041 | healthcare staff law | → 344.45041 610.69 |
| ↑ | 344.0419 | medical profession law | → 344.450419 |
| ↑ | 344.042 | laws on food and drugs | → 344.45042 615 664 |
| ↑ | 344.046 | environmental protection | → 333.72 344.45046 363.72 |
| ↑ | 344.09 | culture and religion law | → 344.4509 363.69 |
| ↑ | 346 | private, civil, urbanistic law | → 348 711 |
| ↑ | 346.0026 | texts of acts and verdicts of private law | → 346.450026 |
| ↑ | 346.01 | law of persons and families | → 346.4501 |
| ↑ | 346.013 | legal capacity of persons | → 346.45013 |
| ↑ | 346.0138 | capacity of persons with mental disorders | → 346.450138 |
| ↑ | 346.015 | family law | → 346.45015 |
| ↑ | 346.016 | marriage, domestic partnership, civil union | → 262.9 346.45016 |
| ↑ | 346.016026 | texts of acts on marriage | → 346.45016026 |
| ↑ | 346.0166 | divorce | → 346.450166 |
| ↑ | 346.02 | contracts and representation | → 340.92 346.4502 |
| ↑ | 346.02026 | texts of acts on contracts and representation | → 346.4502026 |
| ↑ | 346.022 | contracts | → 346.45022 |
| ↑ | 346.03 | offenses | → 346.4503 |
| ↑ | 346.03026 | texts of acts on offenses | → 346.4503026 |
| ↑ | 346.031 | employers responsibility | → 346.45031 |
| ↑ | 346.032 | negligence | → 346.45032 |
| ↑ | 346.0322 | accidents | → 346.450322 |
| ↑ | 346.0323 | personal injuries | → 346.450323 |
| ↑ | 346.04 | property | → 330.17 346.4504 |
| ↑ | 346.043 | real estate law | → 333.3 346.45043 |
| ↑ | 346.0434 | real estate tenancy | → 346.450434 |
| ↑ | 346.0434026 | texts of acts on real estate tenancy | → 346.450434026 |
| ↑ | 346.04348 | location of agricultural land | → 346.4504348 |
| ↑ | 346.04348026 | texts of acts on agricultural land location | → 346.4504348026 |
| ↑ | 346.0435 | easement | → 346.450435 |
| ↑ | 346.0436 | real estate sell | → 333.33 346.450436 |
| ↑ | 346.048 | copyright, patents and trade marks law | → 346.45048 608 |
| ↑ | 346.05 | inheritance | → 346.4505 |
| ↑ | 346.052 | inheritance and succession | → 346.45052 |
| ↑ | 346.054 | testament | → 346.45054 |
| ↑ | 346.059 | trusteeship, fideicommissum | → 346.45059 |
| ↑ | 346.06 | organizations, associations | → 346.4506 |
| ↑ | 346.064 | no-profit organizations | → 346.45064 |
| ↑ | 346.065 | law of enterprises | → 346.45065 |
| ↑ | 346.066 | company law | → 346.45066 |
| ↑ | 346.068 | enterprises without legal personality | → 346.45068 |
| ↑ | 346.07 | commercial law | → 346.4507 |
| ↑ | 346.072 | law of selling | → 346.45072 |
| ↑ | 346.073 | law of loan | → 346.45073 |
| ↑ | 346.074 | warranted operations | → 346.45074 |
| ↑ | 346.077 | law of creditors | → 346.45077 |
| ↑ | 346.08 | bank and insurance law | → 332.1 346.4508 368 |
| ↑ | 346.09 | investment and negotiable instrument law | → 346.4509 |
| ↑ | 346.092 | investment law | → 346.45092 |
| ↑ | 346.096 | negotiable instrument law | → 346.45096 |
| ↑ | 347.01 | tribunals | → 347.4501 |
| ↑ | 347.016 | public officers | → 347.45016 |
| ↑ | 347.07 | cases | → 347.4507 |
| ↑ | 347.077 | judgments | → 347.45077 |
| ↑ | 347.09 | arbitration | → 347.4509 |
| ↑ | 348 | laws, regulations, jurisprudence | → 346 |
| ↑ | 349.65 | Algerian law | → 320.965 340.59 916.5 |
| ↑ | 355 | military science | → 358.4 359 623 |
| ↑ | 358.4 | air force and operations | → 355 629.1 |
| ↑ | 359 | maritime force and operations | → 355 |
| ↑ | 362 | welfare | → 344.04 |
| ↑ | 363 | security and social problems | → 344 |
| ↑ | 363.125 | road transportation risk | → 343.094 629.213 |
| ↑ | 363.69 | cultural heritage protection | → 344.09 720.288 |
| ↑ | 363.7 | pollution, environmental concerns | → 304.2 344.046 628.5 632.95 |
| ↑ | 368 | insurance | → 346.08 519.8 |
| ↑ | 387.5 | maritime transport | → 341.45 |
| ↑ | 507 | science didactics, textbooks at Botta 2 | → 370 510.7 ≈ :T.6 |
| ↑ | 510.7 | mathematics teaching | → 370 507 793.74 ≈ :T.5 |
| ↑ | 518.6 | numerical methods in analysis | → 3 515 |
| ↑ | 519.5 | mathematical statistics | → 310 338.54 ≈ :N.2 |
| ↑ | 519.6 | mathematical optimization | → 3 ≈ :O.7 OM1 |
| ↑ | 519.8 | mathematical methods of sciences | → 330.0151 368 530.15 ≈ :Q.0 |
| ↑ | 577 | ecology | → 304.2 333.95 344 363.7 |
| ↑ | 591.5 | ethology, animal behaviour | → 304.5 |
| ↑ | 599.9 | humans, physical anthropology | → 320 569.9 |
| ↑ | 599.935 | human genetics | → 320 576.5 616.04 |
| ↑ | 607 | education of technicians and engineers, research | → 378 620 |
| ↑ | 608 | patents | → 346.048 |
| ↑ | 610.69 | medical staff | → 344.041 |
| ↑ | 614 | public health | → 344 362.1 725.5 |
| ↑ | 614.1 | legal medicine, forensic pathology | → 363.25 |
| ↑ | 614.17 | forensic anthropology and entomology | → 364 595 |
| ↑ | 615 | pharmacology, terapeutics | → 344.042 |
| ↑ | 615.10033 | drugs and economics | → 338 |
| ↑ | 615.902 | industrial toxicology | → 363.7 |
| ↑ | 620.11 | materials, tests, alteration | → 363.1 681.2 |
| ↑ | 621.31 | electrical energy | → 333.7 |
| ↑ | 622 | mining engineering | → 338.2 553 ≈ `8Bmin `8Fmin |
| ↑ | 622.33 | hydrocarbons excavation | → 338.2728 |
| ↑ | 623 | military and naval engineering | → 355 |
| ↑ | 624.176 | seismic engineering | → 363.3 551.22 620.3 693.85 |
| ↑ | 625.1 | railways | → 385 |
| ↑ | 627.13 | canals | → 386.4 |
| ↑ | 628.16 | analysis, treatment, countermeasures to pollution | → 363.7 628.5 |
| ↑ | 628.5 | pollution control techniques | → 363.7 628.16 ≈ S.SPEC.37.CF |
| ↑ | 628.9 | fire prevention | → 363.1 ≈ AR16 |
| ↑ | 629.1 | aerospace engineering | → 358.4 |
| ↑ | 629.2 | land vehicles | → 343.094 625.7 |
| ↑ | 630 | agriculture in general | → 338.1 343.076 580 ≈ S.SPEC.21.AE |
| ↑ | 632.95 | pesticides | → 363.7 |
| ↑ | 633.5 | fiber cultivations | → 338.17 |
| ↑ | 639.9 | conservation | → 333.72 |
| 65 | business, management | → 338 |
| ↑ | 658 | organization and management | → 338 |
| ↑ | 664 | food technology and microbiology | → 344.042 579.563 641 |
| ↑ | 690.2 | activities on buildings | → 346.045 ≈ AR18 |
| ↑ | 690.22 | safety actions in building | → 344 ≈ AR24 |
| ↑ | 707 | art education | → 370 |
| ↑ | 711 | area planning | → 346 526 ≈ S.SPEC.43.ID |
| ↑ | 711.1 | procedural and social aspects | → 307 |
| ↑ | 711.4 | municipal-scale planning, cities | → 307 333.337 346.045 629 |
| ↑ | 711.7 | transport facilities | → 363.12 625 |
| ↑ | 719 | wildlife landscapes | → 333.72 577.8 712.5 |
| ↑ | 720.288 | conservation and restoration | → 363.69 702.88 930.1 |
| ↑ | 720.47 | architecture and environment | → 333.7 338.927 621.47 696 |
| ↑ | 725.1 | administration buildings | → 352.5 |
| ↑ | 727.3 | university and college buildings | → 378 |
| ↑ | 728 | houses | → 307 |
| ↑ | 909.0492 | history of Jews and other Semitic peoples | → 296.09 305.8924 947 956.94 |
| ↑ | 909.82 | 20th century world history | → 270.82 327.0904 |
| ↑ | 915 | Asia | → 349.5 |
| ↑ | 915.2 | Japan | → 349.52 |
| ↑ | 915.6 | Middle East | → 320.956 338.2728 956 |
| ↑ | 916 | Africa | → 301.096 338.1096 496 960 |
| ↑ | 916.3 | Ethiopia and Eritrea | → 349.63 963 |
| ↑ | 923 | biographies of social scientists | → 301 |
| ↑ | 945.29 | history of Pavia | → 378.4529 711.409452 720.94529 |
| ↑ | 950 | Asian history in general | → 325.309 |
| ↑ | 956 | history of Middle East | → 297.09 305.89159 320.956 915.6 |
| ↑ | 956.94 | history of Israel | → 296.09 320.95694 327.5694 909.0492 |
| ↑ | 960 | African history in general | → 306.096 325.309 325.6 916 ≈ )AA. |
| ↑ | 960.3 | African history after 1885 | → 320.96 |
| ↑ | 961 | history of Tunisia and Libia | → 325.345096 916.1 |
| ↑ | 963 | history of Ethiopia and Eritrea | → 305.8928 325.345096 916.3 |
| ↑ | 966.9 | history of Nigeria | → 325.341 |
| ↑ | 967.7 | history of Somalia | → 325.345096 |
| ↑ | 967.8 | history of Tanzania | → 325.341 |
| ↑ | 968 | history of Southern Africa | → 305.800968 323.168 |
| ↑ | 973 | history of USA | → 327.73 |
| ↑ | R.3 | | ≈ 330.0151 519.8 MSC 91B |
| ↑ | AF1 | reliability | ≈ 363.1 620.11 |
| ↑ | AIV | energetic | ≈ 333.7 720.47 |
| ↑ | AM1 | agricolture | ≈ 333.7 630 |
| ↑ | AM2 | enviromnet | ≈ 333.72 720.47 |
| ↑ | AM3 | quarries | ≈ 344 622.2 |
| ↑ | AM7 | nature conservation | ≈ 344 |
| ↑ | AM8 | congresses (environment) | ≈ 363.7 |
| ↑ | AMB | environments, energy | ≈ 333.7 |
| ↑ | AR20 | technical legislation | ≈ 344 |
| ↑ | C I | schools and universities | ≈ 378 |
| ↑ | C VI | Ecology and environment | ≈ 363.7 712 |
| ↑ | I, VII, VIII | | ≈ 346 |
| ↑ | E VI | Statistics, economics and valuation | ≈ 330 |
| ↑ | ECA | Ecology and environment | ≈ 363.7 |
| ↑ | ECE | Economy and valuation | ≈ 330 |
| ↑ | EE2 | power development | ≈ 333.7 |
| EL | economy | ≈ 330 |
| EN | energetic | ≈ 333.7 |
| ↑ | EO1 | economy | ≈ 330 |
| ↑ | EO2 | Economy and valuation | ≈ 333 |
| ↑ | EO3 | industrial economy | ≈ 330 |
| ↑ | EO4 | macroeconomics | ≈ 330 |
| ↑ | EO5 | microeconomics | ≈ 338 |
| ↑ | EO7 | conference(economy) | ≈ 330 |
| ↑ | IN2 | Ecology | ≈ 363.7 577 |
| ↑ | ISTAT | Censuses | ≈ 320 |
| ↑ | LG1 | Law | ≈ 346 |
| ↑ | LG2 | Urban planning law | ≈ 346 |
| ↑ | LG3 | Legislation | ≈ 346 |
| ↑ | LG4 | public works legislation | ≈ 346 |
| ↑ | LG5 | transport legislation | ≈ 346 |
| ↑ | LG6 | mining legislation | ≈ 346 |
| ↑ | LG7 | town-planning legislation | ≈ 346 |
| ↑ | LG8 | Legal issues | ≈ 346 |
| ↑ | LG9 | congresses (legislation) | ≈ 346 |
| N1 | Regulations on metals | ≈ 344 |
| N2 | Regulations on non-metallic metals | ≈ 344 |
| N3 | Regulations on structures and structural elements | ≈ 344 |
| N4 | Regulations on loads | ≈ 344 |
| N5 | Various regulations | ≈ 344 |
| NO | Regulations (elect.) | ≈ 344 |
| ↑ | NO1 | regulations on loads | ≈ 344 |
| ↑ | NO2 | Regulations on non-metallic metals | ≈ 344 |
| ↑ | NO3 | Regulations on metals | ≈ 344 |
| ↑ | NO4 | Regulations on structures or structural elements | ≈ 344 |
| ↑ | NO5 | Various regulations | ≈ 344 |
| RI | Research (projects, laws, patents) | ≈ 344 |
| ↑ | S.SPEC.32.BJ | reserves, conservation | ≈ 333.72 344 |
| ↑ | S.SPEC.38.DE | university | ≈ 378 |
| ↑ | S.SPEC.39.DH | economics | ≈ 33 |
| ↑ | TS1 | natural resources management | ≈ 333.7 |
| ↑ | TS2 | modelling and simulation | ≈ 333.7 |
| ↑ | TS3 | ecological systems | ≈ 333.7 |
| ↑ | TS4 | system theory | ≈ 3 |
| ↑ | TS5 | theory of estimate and identification | ≈ 333.7 |
| ↑ | TS6 | congresses (systems) | ≈ 333.7 |
| ↑ | VA6 | university legislation | ≈ 344 |
| ↑ | VA7 | rules | ≈ 344 |
| ↑ | 18C | environmental geology | ≈ 333.72 719 |
