Dosithean, [13]

Draper, J. W., [88]

Drummond, J., [69], [72] f., [99] f.

Dualism, [85] f., [178], [184], [189], [214], [220], [438]

Dubno, S., [7]

Duran, Simon, [24]

Duty, [478]

Duty to fellow man, [319], [484]

Duty to self, [482]

Ecclesiastical, [5], [16]