Published in Bulletin Southern California Academy of Sciences, in 1969, in volume 68, pages 82-85
Published in Bulletin Southern California Academy of Sciences, in 1969, in volume 68, pages 96-102
Published in Bull. Sth. Calif. Acad. Sci., in 1969, in volume 68, pages 160-168
Published in Bull. Sth. Calif. Acad. Sci., in 1969, in volume 68, pages 187-190
Published in Bulletin Southern California Academy of Sciences, in 1969, in volume 68, pages 225-228
Published in Bulletin Southern California Academy of Sciences, in 1969, in volume 68, pages 241-24
Published in Bulletin of the Southern California Academy of Sciences, in 1969, in volume 68, issue 4, pages 257-259