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Howard Anthony Neidig Chemical Bond Approach collection, 1940-1995 (inclusive) 1958-1965 (bulk)
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Quaker Meeting Records at Haverford College Quaker & Special Collections and Friends Historical Library of Swarthmore College [Contact Us]
Held at: Quaker Meeting Records at Haverford College Quaker & Special Collections and Friends Historical Library of Swarthmore College [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [Contact Us]
Held at: University of Pennsylvania: Barbara Bates Center for the Study of The History of Nursing [Contact Us]