The archives of Charles W. Thayer including maps related to his Yale dissertation, "Marine paleoecology of the Upper Devonian Genesee Group of New York."
The archives of Malcolm R. Thorpe, accumulated during his career.
The archives of William H. Twenhofel including maps of Quebec, some field notebooks, and some correspondence.
U.S. Fish Commission archives generated during A.E. Verrill's involvement with the Commission from 1871-1887.
The archives of Addison Emery Verrill, accumulated over his lifetime, notably including Yale teaching and research materials.
The archives of Karl M. Waage encompassing his career at Yale. These include annotated maps, field notebooks, photographs, correspondence, and biographical material.
The archives of Russell D. (Tim) White encompassing his career at Yale. These include maps and field notebooks.
The archives of Herman P. Wilhelm.