Wilson, Robert Warren (1936) Pliocene Rodents of Western North America (Dissertation (Ph.D)), California Institute of Technology doi: 10.7907/3WVT-YC53 Wilson, Robert Warren (1932) Rodents and Lagomorphs of the Carpinteria Asphalt (Thesis (Masters)), California Institute of Technology doi: 10.7907/DT2S-EW61 Wilson, Robert Warren (1930) The Geology of a Portion of the Repetto Hills (Bachelors)), California Institute of Technology doi: 10.7907/ZCSR-3P86