No additional authority information available for Arctic explorations.
Muster Out Roll of the 114th Pennsylvania Volunteers, May 25, 1863Muster out roll of the 114th Pennsylvania Volunteers, signed by Dr. Isaac Israel Hayes, surgeon of the U.S. Army. Dated May 25, 1863. The document is an official record of the discharge of soldiers from the regiment.
Note on Continental Hotel Stationary by Isaac Israel Hayes, March 13, 1864A handwritten note on Continental Hotel stationary by Isaac Israel Hayes, dated March 13, 1864. The note is written in Philadelphia, Pennsylvania.
Receipt for 960 Shares of Knickerbocker Anthracite Coal Company Stock, Philadelphia, Pennsylvania, October 5, 1865A receipt documenting 960 shares of Knickerbocker Anthracite Coal Company stock, issued to Isaac Israel Hayes on October 5, 1865, in Philadelphia, Pennsylvania. The receipt is associated with Dr. Isaac Israel Hayes's financial holdings.