--individual races, tribes, etc., e.g. Caucasian race; Guayaki Indians; and subdivisions Ethnic relations and Race relations under names of countries, cities, etc.
Here, with appropriate local subdivision, are entered works on the discipline of ethnology, and works on the origin, distribution, and characteristics of the elements of the population of a particular region or country. Theoretical works on the concept of groups of people who are bound together by common ties of ancestry and culture are entered under Ethnic groups. Works on the subjective sense of belonging to an individual ethnic group are entered under Ethnicity. General works on racial, religious, ethnic, or other minority groups are entered under Minorities. --individual ethnic groups and peoples, e.g. Indo-Europeans; Caucasian race; Hopi Indians; Igbo (African people)
Here are entered works on the human male. Works on male organisms in general are entered under Males. --headings beginning with the word Male, e.g. Male nurses
Here are entered general works on human beings as individuals. Works, primarily of an anthropological nature, on humanity in the collective sense are entered under Human beings.
Here are entered works on the human female. Works on female organisms in general are entered under Females. --subdivision Women under individual wars, e.g. World War, 1939-1945--Women; also subdivision Relations with women under names of individual persons; and headings beginning with the word Women