Published in Annals of The Carnegie Museum, in 1948, in volume 31, pages 1-4

Published in Annals of The Carnegie Museum, in 1948, in volume 31, pages 5-18

Published in Annals of The Carnegie Museum, in 1948, in volume 31, pages 33-43

Published in Annals of The Carnegie Museum, in 1948, in volume 31, issue 5, pages 45-48