It was not a Fold.3 find. Thought I'd sourced it, but looks like I missed it. Sorry.

It would seem that what records of the 3rd West Tennessee Cavalry existed, were lost
when the Colonel was captured.

Here's some material:

https://books.google.com/books?id=DC9_Hufn9FwC&pg=PA162-IA9&lpg=PA162-IA9&dq=“effects+of+treatment+while+in+the+hands+of+the+enemy”&source=bl&ots=-zDRsnwKMX&sig=0ZFZpbP0t8-pPT4QewuY_UDilgo&hl=en&sa=X&ved=0CB4Q6AEwAGoVChMImIGbmIeYyQIVC_VjCh3ANgaF#v=onepage&q=“effects%20of%20treatment%20while%20in%20the%20hands%20of%20the%20enemy”&f=false

…

http://collections.countway.harvard.edu/onview/exhibits/show/battle-scarred/prisons-and-prisoners-of-war

…

http://collections.countway.harvard.edu/onview/items/show/6112