Gay liberation movement -- United States -- History.

Science -- History.

Communism -- Europe, Eastern -- History -- 20th century.

Communication and traffic -- History.

theory of sex -- Wit and its relations to the unconscious -- Totem and taboo -- The history of the

Soviet Union -- History -- Revolution, 1917-1921.

Popular culture -- History -- 20th century.

Aristocracy (Social class) -- Great Britain -- History.

-- 2. The Sierra Leone Society. Political History. Sierra Leone Economy. Return of Multiparty Politics

Diamond mines and mining -- South Africa -- History.

Racism -- South Africa -- Cape Town -- History.

Fascism -- History -- 20th century.