Countries by Region
- Alberta
- Antigua
- Appalachian Area
- Bahama Islands
- Barbados
- Barbuda
- British Columbia
- British Honduras (Belize)
- Canada
- Cayman Islands
- Central America
- Costa Rica
- Cuba
- Curacao Group
- Dominica
- Dominican Republic
- El Salvador
- Great Lakes
- Great Plains
- Greater Antilles
- Greenland
- Grenada
- Grenadines
- Guadeloupe and Marie Galante
- Guatemala
- Gulf of Mexico
- Haiti
- Hispaniola
- Honduras
- Hudson Bay
- Jamaica
- Leeward Islands
- Lesser Antilles
- Manitoba
- Maritime Provinces
- Martinique
- Mexico
- Middle Atlantic States
- Mississippi River and Basin
- Missouri River and Basin
- Montserrat
- Netherlands Antilles
- New England
- Nicaragua
- North Central States
- Northeast (U.S.)
- Northwest (U.S.)
- Northwest Territories
- Nova Scotia
- Ohio River and Basin
- Ontario
- Pacific and Mountain States
- Panama
- Panama Canal Zone
- Prairie Provinces
- Prince Edward Island
- Puerto Rico
- Quebec
- Rocky Mountain Region
- Saba
- Saint Christopher-Nevis-Anguilla
- Saint Lucia
- Saint Martin (Sint Maarten)
- Saint Pierre and Miquelon
- Saint Vincent
- Saint-Barthelemy
- Sint Eustatius
- Southern States
- Southwest (U.S.)
- Swan Islands
- Trinidad and Tobago
- Turks and Caicos Islands
- United States Misc. Caribbean Islands
- Virgin Islands
- Virgin Islands, British
- Virgin Islands, U.S.
- West Indies
- Windward Islands
- Yukon
- Amazon River and Basin
- Andean Area
- Argentina
- Bolivia
- Brazil
- Chile
- Colombia
- Ecuador
- French Guiana
- Guyana
- La Plata River and Basin
- Paraguay
- Peru
- Surinam
- Uruguay
- Venezuela
- Albania
- Alps Region
- Andorra
- Armenian S.S.R.
- Austria
- Azerbaijan S.S.R.
- Baltic States
- Belgium
- Belorussian S.S.R.
- Benelux Countries
- Bulgaria
- Caucasus
- Central Black Soil Region, R.S.F.S.R.
- Central Region, R.S.F.S.R.
- Czechoslovakia
- Danube River and Basin
- Denmark
- East Germany
- East Siberian Region, R.S.F.S.R.
- England
- Estonian S.S.R.
- Europe, Central
- Europe, East Central
- Europe, Eastern
- Europe, Northern
- Europe, Southeastern
- Europe, Southern
- Europe, Western
- Far Eastern Region, R.S.F.S.R.
- Finland
- France
- Germany
- Gibraltar
- Greece
- Hungary
- Iberian Peninsula
- Iceland
- Irish Republic
- Italy
- Kazakh S.S.R.
- Kirghiz S.S.R.
- Latvian S.S.R.
- Liechtenstein
- Lithuanian S.S.R.
- Luxembourg
- Malta
- Moldavian S.S.R.
- Monaco
- Netherlands
- North Caucasus, R.S.F.S.R.
- Northern Ireland
- Northwestern Region, R.S.F.S.R.
- Norway
- Poland
- Portugal
- Povolzhskii Region, R.S.F.S.R.
- Pyrenees Region
- R.S.F.S.R. (Russian Soviet Federated Socialist Republic)
- Rhine River and Basin
- Romania
- San Marino
- Scandinavia
- Scotland
- Siberia
- Soviet Central Asia
- Soviet Union
- Spain
- Sweden
- Switzerland
- Tajik S.S.R.
- Turkmen S.S.R.
- Ukrainian S.S.R.
- United Kingdom
- United Kingdom Misc. Islands
- Ural Region, R.S.F.S.R.
- Uzbek S.S.R.
- Vatican City
- Volgo-Viatskii Region, R.S.F.S.R.
- Wales
- West Germany
- West Siberian Region, R.S.F.S.R.
- Yugoslavia
- Afars and Issas, French Territory of the
- Africa, Central
- Africa, East
- Africa, Equatorial
- Africa, North
- Africa, Southern
- Africa, Sub-Saharan
- Africa, West
- Algeria
- Angola
- Atlas Mountain Region
- Biafra
- Botswana
- Burundi
- Cameroon
- Central African Republic
- Chad
- Congo (Brazzaville)
- Congo (Kinshasa)
- Congo River and Basin
- Dahomey
- East African Horn
- Equatorial Guinea
- Ethiopia
- Gabon
- Gambia
- Ghana
- Guinea
- Ifni
- Ivory Coast
- Kenya
- Lesotho
- Liberia
- Libya
- Malagasi Republic
- Malawi
- Mali
- Mauritania
- Morocco
- Mozambique
- Niger
- Niger River and Basin
- Nigeria
- Nile River and Basin
- Portuguese Guinea
- Rhodesia
- Rift Valley
- Rwanda
- Sahara Desert
- Sao Tome e Principe
- Senegal
- Sierra Leone
- Somalia
- South Africa
- South West Africa
- Spanish Sahara
- Spanish Territories in Northern Morocco
- Sudan
- Sudan (region)
- Suez Canal
- Swaziland
- Tanzania
- Togo
- Tunisia
- Uganda
- United Arab Republic
- Upper Volta
- Volta River and Basin
- Zambezi River and Basin
- Zambia
- Afghanistan
- Amur River and Basin
- Anhwei Province
- Arabian Peninsula
- Arabian Sea and Area
- Asia, East
- Asia, Central
- Asia, South
- Asia, Southeastern
- Asia, Southwestern
- Bahrain
- Bangladesh
- Bhutan
- Borneo Island
- Brunei
- Burma
- Cambodia
- Caspian Sea and Area
- Ceylon
- Chekiang Province
- China
- Cyprus
- East China Sea and Area
- Formosa
- Fukien Province
- Gaza Strip
- Heilungkiang Province
- Himalaya Mountain Region
- Honan Province
- Hong Kong
- Hopeh Province
- Hunan Province
- Hupeh Province
- India
- Indochina
- Indonesia
- Inner Mongolia Autonomous Region
- Iran
- Iraq
- Iraq-Saudi Arabia Neutral Zone
- Israel
- Israel-Jordan Demilitarized Zones
- Israel-Syria Demilitarized Zones
- Japan
- Jordan
- Kansu Province
- Kiangsi Province
- Kiangsu Province
- Kirin Province
- Korea
- Korea, North
- Korea, South
- Kunlun Mountain Region
- Kuwait
- Kwangsi Chuang Autonomous Region
- Kwangtung Province
- Kweichow Province
- Laos
- Lebanon
- Liaoning Province
- Macao
- Malaya
- Malaysia
- Mekong River and Basin
- Mongolian People's Republic
- Muscat and Oman
- Nepal
- New Guinea Island
- Ningsia Hui Autonomous Region
- Pakistan
- Papua New Guinea
- Paracel Islands
- Peking Municipality
- Persian Gulf
- Philippine Islands
- Pohai Sea and Area
- Qatar
- Saudi Arabia
- Shanghai Municipality
- Shansi Province
- Shantung Province
- Shensi Province
- Siam, Gulf of
- Sikiang River and Basin
- Sikkim
- Singapore
- Sinkiang Uighur Autonomous Region
- South China Sea and Area
- Southern Yemen, People's Republic of
- Spratley Island
- Syria
- Szechuan Province
- Thailand
- Tibetan Autonomous Region
- Tienshan Mountain Region
- Trucial States
- Tsinghai Province
- Turkey
- Viet Nam
- Viet Nam, North
- Viet Nam, South
- Yangtze River and Basin
- Yellow River and Basin
- Yellow Sea and Area
- Yemen
- Yunnan Province
- Ashmore and Cartier Islands
- Australia
- New Zealand
- Northern Territory
- Queensland
- Tasmania
- Victoria
- Western Australia
- Antarctica
- American Samoa
- British Solomon Islands
- Canton and Enderbury Islands
- Caroline Islands
- Cook Islands
- Easter Island
- Fiji Islands
- French Polynesia
- Galapagos Islands
- Gilbert and Ellice Islands
- Guam
- Johnston Island (Atoll)
- Kermadec Islands
- Line Islands
- Mariana Islands
- Marshall Islands
- Melanesia
- Micronesia
- Midway Islands
- Nauru
- New Caledonia
- New Hebrides
- Niue Island
- North Pacific
- Oceanica
- Pitcairn Island
- Polynesia
- Samoa Islands
- Santa Cruz Islands
- Solomon Islands
- South Pacific
- Tokelau Islands
- Tonga Islands
- United States Misc. Pacific Islands
- Wake Island
- Wallis and Futuna Islands
- Western Samoa
- Ascension Island
- Azores Islands
- Bermuda Islands
- Bouvet Island
- Canary Islands
- Cape Verde Islands
- Faeroe Islands
- Falkland Islands (British Crown Colony)
- Jan Mayen Island
- Madeira Islands
- North Atlantic
- Saint Helena
- South Atlantic
- Svalbard
- Tristan da Cunha Island
- British Indian Ocean Territory
- Christmas Island
- Cocos Island
- Comoro Archipelago
- French Southern Indian Ocean Islands
- Heard and McDonald Islands
- Maldive Islands
- Mauritius
- Reunion
- Seychelles Islands
- Socotra Island
NLM HyperDoc / OnLine Images from the HMD / April 1994