Imperialism and freethought, ii, [171], [195]
Impostors, the Three, i, 27, 323 sq., 339, 445
Incas, rationalistic, i, 90
Index Expurgatorius, i, 376, 412, 414, 479; ii, [58], [61], [63], [121], [218]
India, freethought in, i, 49, 53, 55, 275;
magic in, i, 45;
religious evolution in, i, 48 sq., 92; ii, [496] sq.
Indra, cult of, i, 49
Indulgences, i, 406, 417
Industrialism, ii, [195];
and freethought, ii, [171], [195]
Infanticide, Arab, i, 253
“Infidel,” use of word, i, 1, 3, 8