McBride, A. K. (1971). The Pearl and the Seed. Booklet 3. Boston.
Lua i Stíl Chicago (17ú heag.)McBride, Alfred; Kirchoff. The Pearl and the Seed. Booklet 3. Boston, 1971.
Lua MLA (8ú heag.)McBride, Alfred; Kirchoff. The Pearl and the Seed. Booklet 3. Boston, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.