| 1800 census, Abbeville County, South Carolina/ compiled by Oma Dee Phillips | Author: Phillips, Oma Dee, United States. Census Office. 2nd census, 1800 | |
| 1850 census, Moroe [i.e. Monroe] County, Ky./ by Oma Dee Phillips. | | |
| 1860 census Monroe County, Kentucky/ by Oma Dee Phillips. | | |
| Akins, Fosters, Lockharts, Mixons and connections/ by Oma "Jo" Ainsworth Hill | | |
| Blue Ridge or Cole Cemetery, north of Waldo/ canvassed by Oma Whitson | | |
| Brazos County, Texas, marriage records, 1844-1878/ compiled from the card files of Oma B. Little by Frances T. Ingmire | | |
| Callahan, Justice, Sprinkle and other related lineages/ by Oma C. Wilsman (nee: Oma Madeline Callahan) | Author: Wilsman, Oma Madeline Callahan | |
| Covert Cemetery, Osborne Co., Kansas, located 1/2 miles north of the town sight/ canvassed by Oma Whitson | | |
| Culver or Cedar Bluffs Cemetery, Osborne County, Kansas : located 1 mile north, 1 mile east and 1/2 mile south of where the Victor Church stood, a family by the name of Culver lived 1 mile north of cemetery location and started burying there when they lost several children/ canvassed by Oma Whitson | | |
| David Glassburn, Virginia pioneer, his ten children and related families, Carpenter, Persinger, Pottenger, Jacobs, Robinson and others/ by Oma G. Robinson | | |
| David Rawson : ancestors and descendants, 1636-1974/ Geraldine Sommerville and Oma H. Mills | Author: Mills, Oma H, Sommerville, Geraldine | |
| Deed book "A", 1845-1857, Panola County, Texas/ compiled by Oma Dee Phillips | | |
| Deed book "A", 1845-1857, Panola County, Texas/ Oma Dee Phillips [transcriber] | | |
| Dunkirk : the glass capital of Indiana, sesquicentennial 1853-2003 : 150 years of living in the crown city/ compiled and written by Oma R. Scruggs | | |
| Edwards School District #2535, 1911-1954/ compiled by Oma Doering | | |
| Family history, 1982/ by Oma Gentry Workman | | |
| The first hundred years, Christ Church, Ridley Park, Pennsylvania/ [written by Neil M. Purves ; edited by James P. Biggs, Oma Pauley] | Author: Christ Church (Ridley Park, Pennsylvania : Episcopal), Purves, Neil M. | |
| Grand Center Cemetery, located 1 mile north, 1 1/2 east of Waldo, Osborne County, Kansas/ canvassed by Oma Whitson | | |
| Greenville District, South Carolina, 1800 census/ compiled by Oma Dee Phillips | | |
| Jesse P. Cole family and allied lines Jones, Holt, Lea, Moser/ by Oma Cole | | |
