St. Procopius College (Lisle, Ill.). (1922). Circular of information. The College.
Lua i Stíl Chicago (17ú heag.)St. Procopius College (Lisle, Ill.). Circular of Information. Lisle, Ill.: The College, 1922.
Lua MLA (8ú heag.)St. Procopius College (Lisle, Ill.). Circular of Information. The College, 1922.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.