Coal, 26
Coal swamps, the age of, 21 et seq.
Coinage, 114, 176, 201, 319
Coke, 322
Collectivists, 375
Colonies, 394 et seq., 407
Columbus, Christopher, 300-01 et seq., 335, 433
Communism (and Communists), 374-75, 417
Comnenus, Alexius. (See Alexius)
Comparative