It might be found in Krick’s, Lee’s Colonels, see:

From Huntsville to Appomattox: R. T. Coles's History of 4th Regiment ...
By Jeffrey D. Stocker

Note 11, p. 269 from pages 93-98, which sourced Krick, Lee’s Colonels, p. 369

https://books.google.com/books?id=268LbX4Ba7sC&pg=PA269&lpg=PA269&dq=Confederate+soldier+Legh+R.+Terrell&source=bl&ots=SS_KcMDEXS&sig=OjUdp7OQVkVPYJPobxdHovtGIPg&hl=en&sa=X&ved=0ahUKEwjonO6ip63JAhVIU4gKHfSDACsQ6AEIKDAD#v=onepage&q=Confederate%20soldier%20Legh%20R.%20Terrell&f=false