An informal list of opportunities:

University Dissertation Research and Dissertation Completion Fellowships (Penn)

American Philosophical Society

Consortium for the History of Science, Technology and Medicine

Linda Hall Library Fellowship program

Science History Institute

Smith Richardson Foundation

ACLS/Mellon Fellowship

Mellon/Penn Program in the Environmental Humanities Fellowship


For more options, link to "Graduate Student Awards and Prizes" and view funding awards of current and past graduate students.