Discrimination, Racial -- See Race discrimination Here are entered works which are limited to overt discriminatory behavior directed against racial or ethnic groups. Works on racism as an attitude as well as works on both attitude and overt discriminatory behavior directed against racial or ethnic groups are entered under Racism. Works on discrimination directed against a particular group are entered under the name of the group with subdivision Social conditions, or similar subdivision, e.g. Civil rights. When the heading Race discrimination is subdivided by place, a second subject entry is made in each case under the name of the place subdivided by Race relations.
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Discrimination, Sexual -- See Sex discrimination Here are entered works dealing solely with discriminatory behavior directed toward both of the sexes. Works on sexism as an attitude as well as works on both attitude and overt discriminatory behavior are entered under Sexism.
Discs, Sound -- See Sound recordings This heading is used as a topical heading for works about all types of media used for the recording of sound including cylinders, analog discs, digital discs, films, tapes, and wires, as well as works about analog discs alone.
Discussion groups, Electronic -- See Electronic discussion groups Here are entered works on services, commonly called newsgroups and LISTSERV lists, that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, usually by means of the Internet, a commercial online service, or electronic mail. Works on services that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, via a dedicated telephone line established for the purpose, are entered under Computer bulletin boards. Works on services that allow a person, using a computer, to engage in an actual "conversation" with other people in real time are entered under Online chat groups. --subdivision Electronic discussion groups under subjects; and names of individual electronic discussion groups
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Discussion lists, Electronic -- See Electronic discussion groups Here are entered works on services, commonly called newsgroups and LISTSERV lists, that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, usually by means of the Internet, a commercial online service, or electronic mail. Works on services that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, via a dedicated telephone line established for the purpose, are entered under Computer bulletin boards. Works on services that allow a person, using a computer, to engage in an actual "conversation" with other people in real time are entered under Online chat groups. --subdivision Electronic discussion groups under subjects; and names of individual electronic discussion groups
--subdivision Nutritional aspects under individual diseases and types of diseases, e.g. Cancer--Nutritional aspects; Heart--Diseases--Nutritional aspects
--subdivision Diseases under individual organs and regions of the body, e.g. Heart--Diseases; Foot--Diseases; also subdivision Pathogenesis under individual diseases and types of diseases, e.g. Tuberculosis--Pathogenesis; and subdivision Diseases--Pathogenesis under individual organs and regions of the body, e.g. Heart--Diseases--Pathogenesis
--subdivision Prevention under individual diseases and types of diseases, e.g. Cancer--Prevention; and subdivision Diseases--Prevention under organs and regions of the body, e.g. Heart--Diseases--Prevention
--subdivision Reporting under individual diseases and types of diseases, e.g. Tuberculosis--Reporting; and subdivision Toxicology--Reporting under individual chemicals and groups of chemicals, e.g. Copper--Toxicology--Reporting
