A WorldCat search reveals copies at the following five locations. Mileages are from my location, Sparks, NV

1.
Chicago History Museum
CHICAGO, IL 60614 United States
Book
1600 miles
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2.
Tulane University
Howard-Tilton Memorial Library
New Orleans, LA 70118 United States
Book
1700 miles
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3.
Tennessee State Library & Archives
TSLA
NASHVILLE, TN 37243 United States
Book
1800 miles
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4.
University of Virginia
University of Virginia Libraries; University of Virginia Library; UVa Library
CHARLOTTESVILLE, VA United States
Book
2200 miles
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5.
Virginia Historical Society Library
Richmond, VA 23220 United States

http://www.worldcat.org/title/british-subjects-recollections-of-the-confederacy-while-a-visitor-and-attendant-in-its-hospitals-and-camps/oclc/12987835&referer=brief_results

http://www.worldcat.org/