Beck, J. W. (1930). Brief history of the Beck family of North Ireland. In library of the Society of Genealogists.
Lua i Stíl Chicago (17ú heag.)Beck, John W. Brief History of the Beck Family of North Ireland. In Library of the Society of Genealogists. 1930.
Lua MLA (9ú heag.)Beck, John W. Brief History of the Beck Family of North Ireland. In Library of the Society of Genealogists. 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
