| referencedIn |
United Electrical, Radio & Machine Workers of America, Unity Lodge, Local 251 Records., 1937-1948. |
Archives & Special Collections at the Thomas J. Dodd Center. |
|
| referencedIn |
Barnum, Richardson Company Records., undated, 1793-1925. |
Archives & Special Collections at the Thomas J. Dodd Center. |
|
| referencedIn |
Henry Stieg, Collection of the, Pratt & Whitney Company, undated, 1937-1993 |
Archives & Special Collections at the Thomas J. Dodd Center. |
|
| referencedIn |
Franklin Institute (Philadelphia, Pa.). Committee on Science and Arts. Records, 1824-1900 [microform]. |
Hagley Museum & Library |
|
| referencedIn |
Guide to the Keller Mechanical Engineering Corporation Collection, 1916-1962, 1916-1962 |
Poly Archives & Special Collections at Bern Dibner Library of Science and Technology |
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