Los Angeles County Museum Contributions in Science

A new walrus from the imperial Pliocene of Southern California: with notes on odobenid and otariid humeri - 1961

A walrus and a sea lion from the Pliocene Purisima Formation at Santa Cruz, California: with remarks on the type locality and geologic age of the sea lion Dusignathus santacruzensis Kellogg - 1962

A possible ancestor of the Lucas Auk (Family Mancallidae) from the Tertiary of Orange County, California - 1966

A new pelobatine frog from the lower Miocene of South Dakota with a discussion of the evolution of the Scaphiopus-Spea complex - 1966

Tertiary birds from Laguna Hills, Orange County, California - 1968

A new early Tertiary perissodactyl, Hyracotherium seekinsi, from Baja California - 1968

Upper Pennsylvanian vertebrates from the Sangre de Cristo Formation of central Colorado - 1969

A review of the extinct avian genus Mancalla - 1970

Hadrosaurian dinosaur bills—morphology and function - 1970

Conocardium langenheimi sp. n. (Mollusca: Bivalvia) in the Lower Permian series of the McCloud Limestone, northern California - 1970

More vertebrates including a new microsaur from the Upper Pennsylvanian of central Colorado - 1972