Published in Smithsonian Institution Miscellaneous Collection, in 1912, in volume 56, issue 36, pages 1-11

Published in Smithsonian Institution Miscellaneous Collection, in 1912, in volume 59, issue 5, pages 2-5

Published in Smithsonian miscellaneous collections, in 1912, in volume 59, issue 6, pages 1-8

Published in Smithsonian Institution Miscellaneous Collection, in 1912, in volume 60, issue 3, pages 1-25

Published in Smithsonian Institution Miscellaneous Collection, in 1912, in volume 60, issue 7, pages 1-22