| Washington, District of Columbia: National Archives and Records Administration (NARA) | |
| Microfilm | |
| Oklahoma | |
| Census | |
| Fourteenth Census of the United States, 1920 - SOUNDEX | |
| publication M1582, roll _____, code:V536 (Vandegrift) | |
| US-1920-1d | |
| Photocopy: William Robert Herndon | |
| S211 | |
| [US-1920-1d] "Oklahoma," Fourteenth Census of the United States, 1920 - SOUNDEX, Washington, District of Columbia: National Archives and Records Administration (NARA), publication M1582, roll _____, code:V536 (Vandegrift). | |
| Orville E Vandegrift |