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The Rohm & Haas Company archives, 1743-1998 (inclusive) 1907-1983 (bulk)
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: University of Pennsylvania: Barbara Bates Center for the Study of The History of Nursing [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Friends Historical Library of Swarthmore College [Contact Us]