The Seeley G. Mudd Manuscript Library is currently undergoing a renovation. In the coming months, as we prepare for the completion of this project, access to the collections will be extremely limited. Please visit the Access to Mudd Library During Renovation page for the most up-to-date information on when collections will again be available.
For a listing of some of his books in the General Rare Book Collection (Ex) see pp. 401-403 (section on O'Neill) in Merle Johnson's American First Editions (4th ed.) New York, 1942 [(ExB) 04703.501.22]
Research Tools for Printed Material (Books, Maps, Prints, etc.)