Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, pages 315-360

Published in Proc. Calif. Acad. Sci., San Francisco (4), in 1959, in volume 29, pages 361-421

Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, pages 423-444

Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, pages 445-463

Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, pages 475-508

Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, pages 509-548

Published in Proc. Calif. Acad. Sci. (4), in 1959, in volume 29, issue 13, pages 465-473