Quantitative studies on inshore diatoms and dinoflagellates of the California coast in 1925, (Bulletin of the Scripps institution of oceanography, La Jolla, California. Technical series)

And Quantitative Studies On Inshore Marine Diatoms And Dinoflagellates Taken At Five Stations On The East Pacific Coast In 1926. Two Books In One Volume. Bulletin Of The Scripps Institution Of Oceanography, Technical Series, V2, No. 4-5.