Ash, R. J. (1952). Calumet Park and adjacent area: A reconnaissance study. Church Federation of Greater Chicago.
Lua i Stíl Chicago (17ú heag.)Ash, Robert J. Calumet Park and Adjacent Area: A Reconnaissance Study. Chicago: Church Federation of Greater Chicago, 1952.
Lua MLA (8ú heag.)Ash, Robert J. Calumet Park and Adjacent Area: A Reconnaissance Study. Church Federation of Greater Chicago, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.