Published in Annals of the Carnegie Museum, in 1937, in volume 25, pages 163-242

Published in Annals of The Carnegie Museum, in 1937, in volume 25, pages 243-255

Published in Annals of the Carnegie Museum, in 1937, in volume 25, pages 257-259

Published in Annals of The Carnegie Museum, in 1937, in volume 25, pages 261-350

Published in Annals of the Carnegie Museum, in 1937, in volume 27, pages 1-9