Passage-Panopticum <Berlin>. (1891). Illustrirter Catalog: Passage-Panopticum.
Lua i Stíl Chicago (17ú heag.)Passage-Panopticum <Berlin>. Illustrirter Catalog: Passage-Panopticum. Berlin, 1891.
Lua MLA (8ú heag.)Passage-Panopticum <Berlin>. Illustrirter Catalog: Passage-Panopticum. 1891.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.