-- See Also the narrower term Human beings Migrations Here are entered works on the spread of population, largely in prehistoric times. Works on the mass migrations of peoples are entered under the heading Migrations of nations. Works dealing with migration from one country to another in modern times are entered under the heading Emigration and immigration. Works dealing with movement of population from one section to another section of the same country are entered under the heading Migration, Internal.
2
-- See Also Human ecology Here are entered works on the relationship of humans to the natural environment. Works on the relationship of humans to their sociocultural environment are entered under Social ecology. Works on the composite of physical, biological, and social sciences concerned with the conditions of the environment and their effects are entered under Environmental sciences. Works on the interrelationships of organisms and their environment, including other organisms, are entered under Ecology.
-- See Also the narrower term Political geography Here are entered works on the branch of geography that deals with human governments, the boundaries and subdivisions of political units and the situations of cities. Works which take a historical approach to the geography of countries, regions, etc., at a particular period in the past are entered under Historical geography.
