Hancock, Harris 1867-1944 creator text mau Boston New York, [etc.] Ginn and company [c1917] 1917 monographic eng

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xiv, 193 p. diagrs. 21 cm. by Harris Hancock Maxima and minima QA306 .H13 517.27 HAT 18001380 DLC/ICU 861016 20140903130647.0 3580367