Published in Annals of The Carnegie Museum, in 1943, in volume 29, pages 371-396
Published in Annals of The Carnegie Museum, in 1943, in volume 29, pages 397-408
Published in Annals of the Carnegie Museum, in 1943, in volume 29, pages 409-441
Published in Annals of The Carnegie Museum, in 1943, in volume 30, pages 1-18