Published in Bulletin of The Southern California Academy of Sciences, in 1936, in volume 34, pages 194-210
Published in Bulletin of The Southern California Academy of Sciences, in 1936, in volume 35, pages 9-29
Published in Bulletin of The Southern California Academy of Sciences, in 1936, in volume 35, pages 30-38
Published in Bulletin of The Southern California Academy of Sciences, in 1936, in volume 35, pages 82-83
Published in Bulletin of The Southern California Academy of Sciences, in 1936, in volume 35, pages 149-153