The card catalogue records items added to the BGS Library service from 1970 to the mid 1980s, when the computerised catalogue ENVIROLIB (now Worldcat Discovery) began. We have undertaken a continuous programme of adding older records to ENVIROLIB and in many cases, the older card catalogue has not been amended. When undertaking a search, users should check the current online catalogues before checking the card catalogue.
Universal Decimal Classification (UDC) sequence for geographic areas
Guide to the UDC geographic codes
| Code | Description |
|---|---|
| (100) | International. All countries in general |
| (2) | Physiographical regions |
| (21) | Land areas, mainland |
| (211) | Cold, frigid |
| (213) | Hot, tropical |
| (22) | Island |
| (23) | Mountains |
| (234) | Mountains of Europe |
| (234.6) | Mountains of the British Isles |
| (234.62) | Welsh, Cambrian |
| (234.63) | Pennine Chain and Cumbrian |
| (234.64) | Scottish Southern Uplands, Cheviots |
| (234.65) | Scottish Highlands, Grampians |
| (235) | Mountains of Asia |
| (236) | Mountains of Africa |
| (237) | Mountains of North America |
| (238) | Mountains of South America |
| (239) | Mountains of Oceania, Antarctica |
| (24) | Subsurface, underground |
| (25) | Plains, desert, marsh, etc. |
| (26) | Marine. Oceans. Seas |
| (261/264) | Atlantic |
| (265/266) | Pacific |
| (267) | Indian Ocean |
| (268) | Arctic |
| (269) | Antarctic |
| (28) | Inland waters and waterways |
| (282) | Rivers and canals |
| (285) | Lakes |
| (3) | The Ancient World (Orient, ancient Rome and Greece, etc.) |
| (4/9) | The modern world (continents, countries, regions) |
| (4) | Europe |
| (41/42) | British Isles. Britain |
| (41-4)( | U.K. (and Commonwealth) |
| (410) | Great Britain |
| (411) | Scotland |
| (415) | Ireland |
| (416) | Northern Ireland |
| (417) | Irish Republic |
| (420) | England |
| (421) | London |
| (429) | Wales |
| (430) | Germany |
| (435.9) | Luxemburg |
| (436) | Austria |
| (437) | Czechsolovakia |
| (438) | Poland |
| (439.1) | Hungary |
| (44) | France |
| (45) | Italy |
| (460) | Spain |
| (469) | Portugal |
| (47) | USSR |
| (470) | Russia (RSFSR) |
| (476) | Belorrussia |
| (477) | Ukraine |
| (48) | Scandinavia |
| (480) | Finland |
| (481) | Norway |
| (485) | Sweden |
| (489) | Denmark |
| (491) | Iceland and Faroe |
| (492) | Netherlands |
| (493) | Belgium |
| (494) | Switzerland |
| (495) | Greece |
| (496.5) | Albania |
| (497) | Balkans |
| (497.1) | Yugoslavia |
| (497.2) | Bulgaria |
| (498) | Roumania |
| (5) | Asia |
| (5-011) | Near and Middle East |
| (5-012) | Far East |
| (51) | China |
| (515) | Tibet |
| (517) | Mongolia |
| (519) | Korea |
| (520) | Japan |
| (529) | Formosa (Taiwan) |
| (53) | Arabia |
| (532) | Saudi Arabia |
| (533) | Yemen |
| (534) | Aden and Hadhramaut |
| (536.8) | Kuwait |
| (54) | Indo-Pakistan subcontinent |
| (540) | India |
| (548.7) | Sri Lanka (Ceylon) |
| (549) | Pakistan |
| (55) | Iran (Persia) |
| (560) | Turkey |
| (564.3) | Cyprus |
| (567) | Iraq |
| (569.1) | Syria. See also (620) |
| (569.3) | Lebanon |
| (569.4) | Israel. Palestine |
| (569.5) | Jordan. Transjordan |
| (57) | Asiatic USSR. Siberia, etc. |
| (581) | Afghanistan |
| (59) | S.E. Asia. Indo-China |
| (591) | Myanmar, (Burma) |
| (593) | Thailand. Siam |
| (595) | Malaysia (Malaya). Cf. (91) |
| (596) | Cambodia |
| (597) | Vietnam |
| (598) | Laos |
| (6) | Africa |
| (61) | North Africa |
| (611) | Tunisia |
| (612) | Libya |
| (620) | Egypt |
| (624) | Sudan |
| (631) | Ethiopia (Abyssinia) |
| (64) | Morocco and N.W. Africa |
| (65) | Algeria |
| (66) | West and N. Central Africa |
| (661) | Mauritania and West Sahara |
| (662) | Mali |
| (663) | Senegal |
| (665.1) | Gambia |
| (665.2) | Guinea |
| (665.7) | Portuguese Guinea |
| (665.9) | Sierra Leone |
| (666.2) | Liberia |
| (666.8) | Côte d’Ivoire (Ivory Coast) |
| (667) | Ghana |
| (668.1) | Togo |
| (668.2) | Dahomey |
| (668.8) | Burkina Faso (Upper Volta) |
| (668.9) | Niger |
| (669) | Nigeria |
| (67) | Equatorial and East Africa |
| (671.1) | Cameroun |
| (671.8) | Rio Muni (Sp. Guinea) |
| (672.1) | Gaboon |
| (672.4) | Congo (Middle Congo) |
| (673) | Angola |
| (674.1) | Central African Republic |
| (674.3) | Chad |
| (675) | Congo (former Belgian) |
| (675.57) | Ruanda, Burundi (Ruanda-Urundi) |
| (675.8) | Katanga |
| (676) | East Africa |
| (676.1) | Uganda |
| (676.2) | Kenya |
| (677) | Somalia (Somaliland) |
| (678) | Tanzania (Tanganyika) and Zanzibar |
| (679) | Mozambique |
| (680) | South Africa (Republic) |
| (683.4) | Swaziland |
| (686.1) | Lesotho (Basutoland) |
| (688) | Namibia (South West Africa) |
| (689) | Zimbabwe and Malawi (Rhodesia and Nyasaland) |
| (691) | Malagasy Republic (Madagascar) |
| (698) | Reunion and Mauritius |
| (699) | Southern (Indian and Atlantic) Ocean islands |
| (7/8) | Americas, N. and S. |
| (7) | North America |
| (71) | Canada |
| (72) | Mexico (and Central America) |
| (728) | Central America |
| (728.1) | Guatemala |
| (728.2) | Belize (British Honduras) |
| (728.3) | Honduras |
| (728.4) | El Salvador |
| (728.5) | Nicaragua |
| (728.6) | Costa Rica |
| (728.7) | Panama |
| (729) | West Indies. Caribbean islands |
| (729.1) | Cuba |
| (729.2) | Jamaica |
| (729.3) | Dominican Republic |
| (729.4) | Haiti |
| (729.5) | Puerto Rico |
| (729.6) | Bahamas |
| (729.7/.8) | Lesser Antilles. Leewards |
| (729.9) | Bermuda Islands |
| (73) | United States of America |
| (8) | South America |
| (81) | Brazil |
| (82) | Argentina |
| (83) | Chile |
| (84) | Bolivia |
| (85) | Peru |
| (861) | Colombia |
| (866) | Ecuador |
| (87) | Venezuela |
| (881) | British Guiana |
| (882) | French Guiana |
| (883) | Surinam (Dutch Guiana) |
| (892) | Paraguay |
| (899) | Uruguay |
| (9) | Oceania and polar regions |
| (91) | Malay Archip. E. Indies. |
| (910) | Indonesia |
| (911) | Borneo, Sarawak, etc. |
| (914) | Philippines |
| (93) | Australasia. Melanesia |
| (931) | New Zealand |
| (94) | Australia |
| (946) | Tasmania |
| (95) | New Guinea, Papua, etc. |
| (96) | Polynesia: Fiji, Hawaii, etc. |
| (98/99) | Polar regions |
| (98) | Arctic and N. Polar region |
| (988) | Greenland |
| (99) | Antarctica and S. Polar region |
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The card catalogue records items added to the BGS Library service from 1970 to the mid 1980s, when the computerised catalogue ENVIROLIB began
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BGS Library by author/title sequence.