Rohrbaugh, L. B. (1977). Rohrbach Genealogy. Dando-Schaff.
Lua i Stíl Chicago (17ú heag.)Rohrbaugh, Lewis Bunker. Rohrbach Genealogy. Philadelphia, Penns.: Dando-Schaff, 1977.
Lua MLA (8ú heag.)Rohrbaugh, Lewis Bunker. Rohrbach Genealogy. Dando-Schaff, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.