Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 3-188
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 189-193
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 195-200
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 201-212
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 213-219
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 221-265
Published in University of Kansas Science Bulletin, in 1951, in volume 34, pages 301-519
Published in University of Kansas Science Bulletin, in 1951, in volume 34, issue 9, pages 521-579