Hind, [257], [258].

Hodgson, [75].

Holtz, [94].

Huggins, [9], [55], [61], [79], [109], [158], [163], [181], [205], [212], [213], [214], [216], [217], [235], [254], [255], [258].

Huygens, [265].

Indian sources, [316].

Janssen, [49].

Jouvencel (De), [318].

Kant, [35].

Kelvin (Lord), [38].