Birkbeck, M. (1818). Letters from Illinois (2d ed.). Taylor and Hessey.
Lua i Stíl Chicago (17ú heag.)Birkbeck, Morris. Letters from Illinois. 2d ed. London: Taylor and Hessey, 1818.
Lua MLA (8ú heag.)Birkbeck, Morris. Letters from Illinois. 2d ed. Taylor and Hessey, 1818.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.