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D.J. Edwards seated at a lab bench, looking at the camera
Baldiun Lucke seated at the lab bench in front of a microscope, looking at the camera and holding a pipe
Joseph Erlanger in a long white lab coat, looking at the camera
On getting Holtfreter a position at MIT: "You would be close to Woods Hole ( )".
Letter of recommendation for Byron S. Wenger's application for a Postdoctorate Research Fellowship from the Public Health Service.
Letter thanking Trinkaus for his course on developmental biology
Letter to Trinkaus thanking him for his abstract.
Letter to Trinkaus asking him about Yale's graduate program in biology