Subject: Arctic Exploration

A letter from David McConkey to Dr. Isaac Israel Hayes, dated March 1, 1860, in West Chester, Pennsylvania. McConkey thanks Hayes for a copy of his book, likely "An Arctic Boat Journey," published in 1860, and mentions his service as a surgeon in the Grinnell Arctic Expedition (1853-1855).

A letter written by Dr. Isaac Israel Hayes to the New York State Assembly in 1878 advocating for further Arctic exploration. Hayes, a surgeon on the second Grinnell Arctic Expedition (1853-55), details his expeditions in 1860/61. The letter references his achievements and the potential benefits of continued Arctic research, as noted in the Congressional Record of the 45th Congress, 2nd Session. Information about Hayes's background is also provided, referencing the Universal Jewish Encyclopedia.

Printed order for Dr. Isaac Israel Hayes to go on duty as assistant to the Medical Officer of the Day at 10 o'clock on September 17, 1864. The order is printed, not handwritten. The document is related to the biographical information provided, describing Dr. Hayes's career as an Arctic explorer, surgeon, and later, politician. The description notes that the biographical information in the record draws on family papers, diaries from Hayes's expeditions, and other unpublished primary sources.

Chromolithograph depicting the Satterlee U.S.A. General Hospital in West Philadelphia during the American Civil War. Published in Philadelphia by James D. Gay in 1864 and lithographed and printed by Charles Magnus. The image shows the hospital's layout, surrounding encampments, and marching soldiers. The description notes that Philadelphia served as a major site for U.S. military hospitals during the Civil War, and that the Saterlee Hospital (initially called West Philadelphia General Hospital) was a 4,500-bed facility. The lithograph also includes biographical information about Dr. Isaac Israel Hayes, a surgeon who served at the hospital and who later became a prominent Arctic explorer. The provided text offers a detailed account of Dr. Hayes's life and career, highlighting his contributions to Arctic exploration, humanitarian work, and political service.

Government record documenting the transfer of Private Michael Sourvein of Company C, 149th Regiment, Pennsylvania Volunteer Infantry, dated December 15, 1864. The record also includes additional information noting Sourvein's role as an artic explorer and surgeon with dates of July 13th and August 31st, 1864.