Library of Congress. Subject Cataloging Division, Martel, C., Bay, J. C., Johnston, W. D., Schmidt, A. F. W., & Wolcott, J. D. (1911). Classification. Government Printing Office.
Lua i Stíl Chicago (17ú heag.)Library of Congress. Subject Cataloging Division, Charles Martel, J. Christian Bay, William Dawson Johnston, A. F. W. Schmidt, agus J. D. Wolcott. Classification. Washington: Government Printing Office, 1911.
Lua MLA (8ú heag.)Library of Congress. Subject Cataloging Division, et al. Classification. Government Printing Office, 1911.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.