Keyser, C. S. (1876). Fairmount Park and the International Exhibition at Philadelphia (Centennial ed.). Claxton, Remsen & Haffelfinger.
Lua i Stíl Chicago (17ú heag.)Keyser, Charles S. Fairmount Park and the International Exhibition at Philadelphia. Centennial ed. Philadelphia: Claxton, Remsen & Haffelfinger, 1876.
Lua MLA (8ú heag.)Keyser, Charles S. Fairmount Park and the International Exhibition at Philadelphia. Centennial ed. Claxton, Remsen & Haffelfinger, 1876.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.