Library of Congress. Classification Division & Perley, C. W. (1927). Classification: Class B, part II, BL-BX: Religion. Printed as manuscript. U.S. Govt. print. off..
Lua i Stíl Chicago (17ú heag.)Library of Congress. Classification Division agus Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. Washington: U.S. Govt. print. off., 1927.
Lua MLA (8ú heag.)Library of Congress. Classification Division agus Clarence Warner Perley. Classification: Class B, Part II, BL-BX: Religion. Printed as Manuscript. U.S. Govt. print. off., 1927.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.