Correspondence between H. O. Granberg, Charles Steigerwalt, and John W. Hasteltine regarding the H. O. Granberg example of the 1804 dollar, covering the period 1908- 1910.
The Philatelic West, published by L. T. Brodstone, Superior, NE. Organized by year. This copy courtesey of the Nebraska History Library (History Nebraska - formerly the Nebraska State Historical Society).
All 1907 dies destroyed. United States Mint die coinage records, gathered from the National Archives & Records Administration, courtesy of Roger W. Burdette.
