Tom,

Here is the citation again, it notes pages 1 through 60.

General Hospital (Lauderdale Springs) Record Group 109, A prescription book, 1862-63 (ch. VI, vol. 643, p. 1-60)

This was taken from:

The Confederacy, A Guide to the Archives of the Government of the Confederate States of America, Henry Putney Beers, National Archives and Records Administration, Washington, D. C., 1986, page 186