John G. Johnson Collection (Philadelphia, Pa.). (1941). John G. Johnson collection: Catalogue of paintings. [s.n.].
Lua i Stíl Chicago (17ú heag.)John G. Johnson Collection (Philadelphia, Pa.). John G. Johnson Collection: Catalogue of Paintings. Philadelphia: [s.n.], 1941.
Lua MLA (8ú heag.)John G. Johnson Collection (Philadelphia, Pa.). John G. Johnson Collection: Catalogue of Paintings. [s.n.], 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.