@misc{Drummond_Henry_(1851–1897)_The_1894, author={Drummond, Henry (1851–1897)}, copyright={Public Domain}, address={New York}, howpublished={online}, year={1894}, publisher={James Pott & Co., Publishers}, language={eng}, type={Text}, title={The Lowell lectures on the ascent of man}, URL={http://rcin.org.pl/ibd/Content/134855/PDF/WA488_169631_1320_Drummond-Lectures.pdf}, keywords={Human beings, Human evolution, Mind - language evolution - struggle for life - mother and father evolution, Involution}, }