Nietzsche, [122], [139], [168], [427].
Northcliffe, Lord, [106].
Noyes, Alfred, [351].
Observation in science, [395-97], [402-05].
Opinion, individuality in, [142-47]; suppression of, [163].
Originality in thinking, causes of, [56-57]; encouragement of, [90], [105]; fear of, in society, [90], [143-47]. See also New.
Orosius, [314-15].
O'Shaughnessy, [363].
Other-worldliness, [328].