Printed sources:

• American Paintings in the Metropolitan Museum of Art, Vol II, by Natalie Spassky
  
• The Book of Costume, Vol II, by Millia Davenport (1948)
  
• Clinton County American Revolution Bicentennial Commission, History of Clinton & Franklin Counties, NY (1978)
  
• Daughters of the American Revolution, Pioneers in Patriotism (article, October, 1989)
  
• Dictionary of Canadian Biography, Vol IX, HBRS Vol I, Simpson's Athabaska Journal
  
• Evelyn Barrett Britten, Chronicles of Saratoga (Saratoga Springs; 1947)
  
• Information sheets from the Saratoga Springs Historical Society
  
• N. B. Sylvester, History of Saratoga County, New York,(1609-1878) (Evarts & Ensign, Phila.; 1878)
  
• Nelson Cook letters, Historical Society of Saratoga Springs and NY State Archives, Albany
  
• The Brookside Museum, Ballston Spa, NY, holds a small collection of Cook family volumes: Bible (1845), Episcopal Book of Common Prayer (1850), An American Dictionary (1855), and a Cook Family [Photographic] Album (some of these photos are included in the Biography section)
  
• Railroad History magazine
  
• Research summary (14 Feb 1984) by Barbara Snyder, Curator, Upper Canada Village
  
• Richard Ward, Reuben Hyde Walworth (unpublished paper)(1988)
  
• T. Russell Harper, Early Painters and Engravers in Canada (University of Toronto, 1970)
  
• William F. Coffin, 1812; The War and Its Moral: A Canadian Chronicle (Montreal, 1864)
  
• (Four letters from Nelson Cook are in the Thomas Davenport Papers, Library of Congress)
  

• Archives, Legislative Assembly of Ontario, Toronto
  
• Art Gallery of Ontario, Toronto *
  
• Bethesda Episcopal Church, Saratoga Springs, NY
  
• British National Portrait Gallery, London *
  
• Canton Museum of Art, OH *
  
• City of Toronto Archives
  
• Clinton County Historian, Plattsburgh, NY
  
• Connecticut Historical Society, Hartford *
  
• Frick Museum, New York City
  
• Genesee Country Village and Museum, Mumford, NY *
  
• Glenbow Museum, Calgary, Alberta *
  
• Historical Society of Saratoga Springs, NY *
  
• Hudson's Bay Company Archives, Winnipeg, Manitoba
  
• Mayor John R. Mazzaferro, Rome, NY
  
• McCord Museum of Canadian History, Montreal, Quebec *
  
• Metropolitan Museum of Art, New York *
  
• Metropolitan Toronto Reference Library
  
• Munson-Williams-Proctor Arts Institute, Utica, NY
  
• National Archives of Canada, Ottawa *
  
• National Gallery of Canada *
  
• Newburgh Historical Society, NY
  
• New York State Historical Association
  
• Onondaga Historical Association Museum, Syracuse, NY *
  
• Rensselaer County Historical Society, Troy, NY
  
• Rochester Historical Society, NY *
  
• Rome Historical Society, NY
  
• Ruth Ann Messick, Heritage Hunters of Saratoga County
  
• Saratoga Springs Public Library (Saratoga Room) NY
  
• Sheffield Historical Society, MA *
  
• Shelburne Museum, VT *
  
• Smithsonian National Portrait Gallery, Washington, DC
  
• Toronto Historical Association
  
• Union College Collection, Schenectady, NY *
  
• Upper Canada College, Toronto *
  
• Upper Canada Village, Morrisburg, Ontario *
  
• West Lake Conservators, Ltd., Skaneateles, NY