| Geographical availability |
Afghanistan, Alabama, Alaska, Albania, Algeria, Altay, Arizona, Arkansas, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bolivia, British Columbia, Bulgaria, Burundi, California, Cambodia, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Colombia, Connecticut, Corse, Costa Rica, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, East Himalaya, Ecuador, El Salvador, Finland, Florida, France, Free State, Føroyar, Georgia, Germany, Great Britain, Greece, Guatemala, Haiti, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Iowa, Iran, Iraq, Ireland, Italy, Kansas, Kentucky, Kenya, Krasnoyarsk, Kriti, Krym, Leeward Is., Louisiana, Madagascar, Madeira, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Mauritius, Mexican Pacific Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Morocco, Nebraska, Netherlands, New Brunswick, New Hampshire, New Jersey, New York, Newfoundland, North Carolina, North Caucasus, North European Russi, Northern Provinces, Northwest European R, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Palestine, Pennsylvania, Peru, Poland, Portugal, Prince Edward I., Québec, Rhode I., Romania, Rwanda, Sardegna, Sicilia, South Carolina, South European Russi, Spain, Svalbard, Sweden, Switzerland, Taiwan, Tanzania, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Uganda, Ukraine, Venezuela, Vermont, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Wisconsin, Yugoslavia, Zaïre, Zimbabwe |