Nolen, J. (1909). State parks for Wisconsin: Report of John Nolen, landscape architect.
Lua i Stíl Chicago (17ú heag.)Nolen, John. State Parks for Wisconsin: Report of John Nolen, Landscape Architect. [Madison?, 1909.
Lua MLA (8ú heag.)Nolen, John. State Parks for Wisconsin: Report of John Nolen, Landscape Architect. 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.