| CLAc | Academy of Motion Picture Arts and Sciences (Los Angeles) |
| CLCM | Los Angeles County Museum of Natural History |
| CUB | University of California at Berkeley |
| DGU | Georgetown University (Washington, D.C.) |
| DCL | Library of Congress (Washington, D.C.) |
| ICFAR | Federal Archives and Records Center (Chicago) |
| ICHi | Chicago Historical Society |
| MdSuFR | Washington National Records Center (Suitland, Maryland) |
| MH-BA | Harvard Business School, Baker Library, Raff & Gammon Collection (Boston) |
| NjBaFAR | Federal Archives and Records Center (Bayonne, New Jersey) |
| NjWOE | Edison National Historic Site (West Orange, New Jersey) |
| NN | New York Public Library |
| NNHi | New-York Historical Society, Bella Landour Collection (New York City) |
| NNMOMA | Museum of Modern Art (New York City) |
| NR-GE | George Eastman House (Rochester, New York) |
| PPFAR | Federal Archives and Records Center (Philadelphia) |
| PPS | Franklin Institute (Philadelphia) |
| PWbH | Wyoming Historical and Geological Society (Wilkes-Barre, Pennsylvania) |
| TxU-H | University of Texas at Austin, Harry Ransom Humanities Research Center, Gernsheim Collection |
| Hummel | Charles Hummel |
| Malkames | Donald Malkames |
| Slide | Anthony Slide |