@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},
}