Published in Kansas University Science Bulletin, in 1922, in volume 14, pages 175-178

Created: 2011-12-14, modified: 2011-12-14

Published in Kansas University Science Bulletin, in 1922, in volume 14, pages 395-399

Created: 2011-12-14, modified: 2011-12-14

Published in University of Kansas Science Bulletin, in 1922, in volume 14, issue 21, pages 515-587

Created: 2026-05-16, modified: 2026-05-16