You might try a search on OCLC's WorldCat database.
Using the "Advanced Search" option, I tried
"Alabama" and "World War, 1914-1918" as subject phrases and got 56 hits:
If you cannot access WorldCat, let me know and I can email you the
At Ancestry.com [the commercial genealogical database vendor] there is
World War I Draft Registration Cards, 1917-1918
which includes Alabama. Access requires either an individual or
institutional subscription, but I think you should be able to ready the
A.J. Wright, M.L.S.
Director, Section on the History of Anesthesia
Department of Anesthesiology Library
University of Alabama at Birmingham
619 19th Street South, JT965
Birmingham AL 35249-6810
(205) 975-5963 [fax]