1940. E. W. Scripps Cruise to the Gulf of California. The Geological Society of America, Memoir 43. Part I. Geology of Islands and Neighboring Land Areasby Charles A. Anderson;1940. E. W. Scripps Cruise to the Gulf of California. The Geological Society of America, Memoir 43. Part II. Megascopic Paleontology and Marine Stratigraphyby J. Wyatt Durham;1940. E. W. Scripps Cruise to the Gulf of California. The Geological Society of America, Memoir 43. Part III. Submarine Topography of the Gulf of Californiaby Francis P. Shepard;1940. E. W. Scripps Cruise to the Gulf of California. The Geological Society of America, Memoir 43. Part IV. Report on the Pleistocene and Pliocene Foraminiferaby M. L. Natland;1940. E. W. Scripps Cruise to the Gulf of California. The Geological Society of America, Memoir 43. Part V. Sedimentation and Oceanography: Survey of Field Observationsby Roger Revelle