Published in Bulletin of The Southern California Academy of Sciences, in 1961, in volume 60, pages 1-114

Published in Bulletin of The Southern California Academy of Sciences, in 1961, in volume 60, pages 12-19

Published in Bulletin of The Southern California Academy of Sciences, in 1961, in volume 60, pages 32-36

Published in Bulletin of the Southern California Academy of Sciences, in 1961, in volume 60, pages 45-46