Published in University of Kansas Publications Museum of Natural History, in 1960, in volume 13, issue 3, pages 73-84

Published in University of Kansas Publications. Museum of Natural History, in 1960, in volume 13, pages 19-72

Published in University of Kansas Publications Museum of Natural History, in 1960, in volume 9, issue 19, pages 519-529

Published in University of Kansas publications, Museum of Natural History, in 1960, in volume 14, issue 14, pages 165-362

Published in University of Kansas Publications, Museum of Natural History, in 1960, in volume 9, pages 579-670