Published in Annals of The Carnegie Museum, in 1936, in volume 25, pages 59-61

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 73-76

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 77-82

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 83-108

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 109-112

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 113-120

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 123-126

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 127-133

Published in Annals of the Carnegie Museum, in 1936, in volume 25, pages 135-154