All the service records are stored in the same place, so information about any company belonging to Holman's 11th Tennessee Cavalry is available. You will need to decide if you're interested in John C. Bradley of Co. "K" from Giles County TN, or John B. Bradley of Co. "C" from Bedford County TN. John C. Bradley was captured near Sevierville TN and imprisoned at Rock Island IL; John B. Bradley was not.

Here's a regimental history --
http://www.tngenweb.org/civilwar/csacav/csa11cav.html