English
xi, 15-119 pages 20 cm · This little book is the outgrowth of an address delivered before the American association for the advancement of science at its semi-annual meeting in Salt Lake City in June 1922, and printed in Science, vol. LVI, July 28, 1922. cf. Pref · committed to retain 20170930
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Learning and scholarship · Science -- Study and teaching · Learning and scholarship · Science -- Study and teaching