These are fragmentary notes - and a few links - regarding the introduction of "iron money" into the economy of Marquette County, Michigan, and the controversy surrounding it leading up to the 1876 Presidential election.
Panic of 1857.
Panic of 1873.
The New York Times was in 1876 a Republican newspaper, and did not have the reputation it maintains today as a "newspaper of record".
Tilden's Iron Currency, New York Times, July 19, 1876
A Swindler of Labor, New York Times, August 23, 1876
The Sham Reformer. New York Times, October 3, 1876
Tilden and the Iron Money, "Red Specular", New York Times, October 4, 1876
The Tilden Iron Money Question, "Red Specular", New York Times, October 5, 1876
Tilden's Sharp Tricks, New York Times, October 19, 1876
The Legacy of Peter White, George Merk, Michigan History Magazine, Vol. 83, No. 3. May-June 1999
Iron Money, William van Kosky, Michigan History Magazine v90 n2, March-April 2006
The Honorable Peter White, Ralph Williams, 1907
Iron Will: Cleveland-Cliffs and the Mining of Iron Ore, 1847-2006, Reynolds and Dawson, 2011
Peter White papers, Bentley Historical Library, Ann Arbor MI