I

Ignorance, [219], [362], [424]

Imitation, [367], [528]

Individual differences, [534]

Infanticide, [644]

Instruction, see “Education”

Ireland, statistics of, [429], [497]

Italian school, iii, [88]

Italy, statistics of, [90], [139], [326], [342], [344], [416], [430], [436], [446], [450], [469], [486], [497], [506], [513], [524], [541], [543], [558], [589], [634]

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