Geographical boundaries -- See Boundaries Here are entered works on lines demarcating the jurisdictional borders between countries, regions, states, etc. in general. Works on lines demarcating the jurisdictional borders between specific regions, countries, etc., are entered under the name of the place with the subdivision Boundaries. Works on the lines demarcating the jurisdictional borders between two countries, etc., are entered under the name of each country with the subdivision Boundaries--[other country], e.g. United States--Boundaries--Mexico; Mexico--Boundaries--United States. Works on the land located on or near the boundaries between two countries, regions, states, etc. are entered under Borderlands. --subdivision Boundaries under names of countries, states, etc.; and subdivision Territorial questions under individual wars, e.g. World War, 1939-1945--Territorial questions
Geographical distribution of diseases -- See Medical geography Here are entered works on the geographical distribution of diseases, and on pathology in relation to conditions of geography and climate.Works on the occurrence of a particular disease in a locality are entered under the name of the disease subdivided by the name of the place.Works on the practice, history, or conditions of medicine in any particular locality are entered under Medicine--[local subdivision], e.g. Medicine--Germany.