Published in University of Kansas Publications, Museum of Natural History, in 1956, in volume 8, issue 10, pages 535-646

Published in University of Kansas Publications, Museum of Natural History, in 1956, in volume 8, issue 6, pages 361-416

Published in University of Kansas Publications, Museum of Natural History, in 1956, in volume 8, issue 4, pages 275-306

Published in Publications of the Museum of Natural History University of Kansas, in 1956, in volume 9, issue 8, pages 337-346

Published in Publications of the Museum of Natural History University of Kansas, in 1956, in volume 9, issue 5, pages 105-116