Puttfarken, W. (1929). Album Johannei. : Christian.
Lua i Stíl Chicago (17ú heag.)Puttfarken, Werner. Album Johannei. Hamburg: : Christian, 1929.
Lua MLA (8ú heag.)Puttfarken, Werner. Album Johannei. : Christian, 1929.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.