Published in Smithsonian miscellaneous collections, in 1951, in volume 117, issue 1, pages 1-58

Created: 2017-05-31, modified: 2017-05-31

Published in Smithsonian Miscellaneous Collections, in 1951, in volume 117, issue 2, pages 1-11

Created: 2014-12-19, modified: 2014-12-19

Published in Smithsonian miscellaneous collections, in 1951, in volume 117, issue 3, pages 1-23

Created: 2017-05-31, modified: 2017-05-31

Published in Smithsonian miscellaneous collections, in 1951, in volume 117, issue 4, pages 1-22

Created: 2017-05-31, modified: 2017-05-31