Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 15

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 41-45

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 47-56

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 57-61

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 71-76

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 77-87

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 89-105

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 107-116

Published in University of Kansas Science Bulletin, in 1944, in volume 30, pages 117-187

Published in The University of Kansas Science Bulletin, in 1944, in volume 30, pages 189-232