Here are entered works on the technique of public opinion polling. Works on polls on a specific subject are entered under the appropriate heading for the topic with the subdivision Public opinion. Works on such polls taken in a specific place are assigned an additional heading Public opinion--[place]. Works on such polls limited to a specific class of persons are assigned an additional heading for the group of people with the subdivision Attitudes.
--subdivision Public opinion under names of individual persons, corporate bodies, and topical subjects; also subdivision Appreciation under names of individual literary or artistic persons; also subdivision Attitudes under classes of persons and ethnic groups; also subdivisions Public opinion or Foreign public opinion under individual wars, e.g. World War, 1939-1945--Public opinion; United States--History--Civil War, 1861-1865--Foreign public opinion; and subdivision Foreign public opinion under names of countries, etc.