Parsons, S. (1907). Report to Park Board, New York City, of Samuel Parsons, landscape architect, on visit to European parks, 1906. M.B. Brown.
Lua i Stíl Chicago (17ú heag.)Parsons, Samuel. Report to Park Board, New York City, of Samuel Parsons, Landscape Architect, on Visit to European Parks, 1906. New York: M.B. Brown, 1907.
Lua MLA (8ú heag.)Parsons, Samuel. Report to Park Board, New York City, of Samuel Parsons, Landscape Architect, on Visit to European Parks, 1906. M.B. Brown, 1907.
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