Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 135-136
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 141-147
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 157-168
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 172-182
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 191-197
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 202-203
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 38, pages 203-204
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 6-27
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 28-38
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 39-52
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 53-70
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 71-74
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 80-82
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 87-98
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 99-103
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 114-117
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 128-157
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 158-171
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 190-196
Published in Bulletin of the Southern California Academy of Sciences, in 1940, in volume 39, pages 203-204
Published in Bulletin of The Southern California Academy of Sciences, in 1940, in volume 39, pages 205-228