{"value"=>"Prints attributed to Gardner are found listed in Medical Committee Archives No. DCCCXLV (845): \"List of photographs from Gardiner's (sic) Washington D.C. 1865\" or are identified from his Photographic Sketch Book of the War. Other photographs have been attributed to Tyson based on published copies in the collection or correspondence. Titles are taken from the verso of the print unless otherwise noted."}