A single card entitled Quarterly Return of deceased soldiers in the12th Regiment Louisiana Volunteers, for the quarter ending Sept. 30th, 1863 is found in the CSMR of W. Crawford, Pvt., Co. E 12th La. Inf.
Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Louisiana
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See also:
https://books.google.com/books?id=BzNJAQAAMAAJ&pg=PA478&lpg=PA478&dq=Quarterly+Returns+of+Deceased+Soldiers&source=bl&ots=M0k-SQLsY6&sig=zKbHxAghDhvXTUEneZQqjMxPZTY&hl=en&sa=X&ved=0ahUKEwiyqOO2xbPaAhUNk1kKHU7hA8E4ChDoAQgsMAI#v=onepage&q=Quarterly%20Returns%20of%20Deceased%20Soldiers&f=false