"Weyerhaeuser, Frederick". Access Genealogy. Taken from Biographical History of Rock Island, Illinois. Archived from the original on 2006-11-06. Retrieved 2009-01-30.
Ritter, Luke. "Frederick Weyerhaeuser." In Immigrant Entrepreneurship: German-American Business Biographies, 1720 to the Present, vol. 3, edited by Giles R. Hoyt. German Historical Institute. Last modified May 27, 2015.
"Weyerhaeuser, Frederick". Access Genealogy. Taken from Biographical History of Rock Island, Illinois. Archived from the original on 2006-11-06. Retrieved 2009-01-30.