Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 1-4

Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 5-7

Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 14-16

Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 25-29

Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 67-77

Published in Bulletin of The Southern California Academy of Sciences, in 1955, in volume 54, pages 78-81

Published in Bulletin of the Southern California Academy of Sciences, in 1955, in volume 54, issue 1, pages 22-24

Published in Bulletin of the Southern California Academy of Sciences, in 1955, in volume 54, issue 1, pages 40-42

Published in Bulletin of the Southern California Academy of Sciences, in 1955, in volume 54, issue 3, pages 128-141