Published in Smithsonian Misc. Coll., in 1934, in volume 92, issue 7, pages 1-48

Published in Smithsonian Miscellaneous Collections, in 1934, in volume 91, issue 9, pages 1-12

Published in Smithsonian Miscellaneous Collections, in 1934, in volume 89, issue 13, pages 1-11

Published in Smithsonian Miscellaneous Collections, in 1934, in volume 89, issue 6, pages 1-63

Published in Smithsonian Miscellaneous Collections, in 1934, in volume 91, issue 17, pages 1-28

Published in Smithsonian miscellaneous collections, in 1934, in volume 91, issue 3, pages 1

Published in Smithsonian miscellaneous collections, in 1934, in volume 91, issue 12, pages 1-6