Published in Annals of The Carnegie Museum, in 1932, in volume 21, pages 61-78

Published in Annals of the Carnegie Museum, in 1932, in volume 21, pages 79-81

Published in Annals of the Carnegie Museum, in 1932, in volume 21, pages 83-88

Published in Annals of The Carnegie Museum, in 1932, in volume 21, pages 89-92

Published in Annals of The Carnegie Museum, in 1932, in volume 21, pages 97-129

Published in Annals of The Carnegie Museum, in 1932, in volume 21, pages 131-160

Published in Annals of The Carnegie Museum, in 1932, in volume 21, pages 161-170

Published in Annals of the Carnegie Museum, in 1932, in volume 21, pages 171-183