See for Camp Douglas: http://www.google.com/search?client=safari&rls=en&q=camp+douglas+prison+camp&ie=UTF-8&oe=UTF-8
THE TWENTY FIRST ALABAMA INFANTRY.
This regiment was organized in Mobile in October, 1861, and
served that winter at Mobile.
In March, 1862, it proceeded to Corinth and was distinguished in
the battle of Shiloh, April 6th and 7th, being complimented in
general orders. It also fought at Farmington, May 3rd, after
which the regiment was ordered back to Mobile.
Two of its companies withstood a bombardment of two weeks from 5
gunboats and 6 mortar boats in their attempt to force an entrance
to Grant's pass, August, 1864. They held out heroically until,
overwhelmed by the immense resources of the enemy, they blew up
the fort and evacuated it.
The six companies stationed at Fort Gaines held out until August
8, 1864, when they were compelled to surrender. The rest of the
regiment formed part of the garrison at Spanish Fort and engaged
in its defense, March 26 to April 8, 1865.
Lieutenant Dixon, a gallant Kentuckian of this regiment, and
several of his command, volunteered to man a submarine torpedo
boat in Charleston harbor. They went to sea the night of
February 17, 1864, and blew up the Housatonic, of the Federal
blockading squadron, but the brave crew all perished by the
explosion which destroyed the Federal vessel.
Its colonels were James Crawford and Chas. D. Anderson. Its
lieutenant-colonels were Andrew J. Ingersol, Stewart W. Cayce,
Charles S. Stewart and James M. Williams. Its majors were
Frederick K. Stewart, Franklin J. McCoy and Charles G. Johnston.
Source: Confederate Military History, vol. VIII, p. 12
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Hoyt Gilleland, Private, Company D, 21st Alabama Infantry, enlisted October 13, 1861 at Mobile, Alabama by Capt. Butt for one year, captured at Pitsburg/Battle of Shiloh, April 7, 1862, imprisoned at Camp Douglas, Illinois, admitted to U. S. A. Prison Hospital, Camp Douglas, near Chicago, Illinois May 1, 1862, Pneumonia, returned to duty June 11, readmitted with Chronic Diahrrhoea August 26, died of Diarrhoea, September 20/ 21, 1862
M311: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Alabama
..........................
Shiloh after battle report:
Report of Lieut. Col. S. W. Cayce, Twenty-first Alabama Infantry.
HDQRS. TWENTY-FIRST REGT. ALABAMA VOLS., Corinth, Miss., April 13, 1862.
SIR: I have the honor to submit annexed a tabular statement of the loss
sustained by my command [Twenty-first Alabama Volunteers] in the late
battle near Monterey, on the 6th and 7th instant, amounting in the
aggregate to 198 killed, wounded, and missing.
Called suddenly from the rank of lieutenant to the command of the
regiment, having only been placed in charge by Gen. Gladden on
the 5th instant, I would especially express my sense of the great
assistance rendered me by Maj. Stewart and Senior Capt. John F. Jewett
acting as field officers, who throughout the whole fight fully sustained
themselves as brave and gallant officers. In point of fact, late Sunday
evening [when I had the misfortune to have my horse shot, bruising my
foot much, and causing me to fall into the hands of the enemy, from
whom, however, I was fortunately soon rescued] and Monday morning
the regiment was under the major's command.
Where all did so well it would seem invidious to make any distinctions;
nevertheless I would mention Lieut. Parker, acting adjutant;
Capt.'s Chamberlain and Stewart, and Lieut.'s Rogers, Williams,
and Savage, as particularly active in the discharge of their several
duties.
The men, as a general thing, behaved with great steadiness, though
exposed at times to a perfect hurricane of shot and shell, no less than 5
men having fallen as color-bearers.
The movements of the command having all been by brigade, ordered by
brigade commandants, and executed under their supervision, I do not
deem it necessary to rehearse them.
I am, sir, very respectfully, your obedient servant,
S. W. CAYCE,
Lieut.-Col., Comdg. Twenty-first Alabama Volunteers.
Lieut. J. STOUT,
Acting Assistant Adjutant-Gen.
[Indorsement.]
-,- -, 1862.
The undersigned having tendered his resignation, the acceptance of
which, however, was not received until after the fight, and having been
in command, as stated in the report of Lieut.-Col. Cayce, does
hereby respectfully concur in said report and indorse its
recommendations.
F. STEWART,
Late Maj. Twenty-first Alabama Volunteers.
Source: Official Records: Series I. Vol. 10. Part I, Reports. Serial No. 10
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See also:
http://www.archives.state.al.us/referenc/alamilor/21stinf.html
http://www.rootsweb.ancestry.com/~alcwroot/infantry_files/21st_ala_inf.htm
21st Alabama, "From the Terrible Field: Civil War Letters of James M. Williams, the Twenty-first Alabama Infantry Volunteers," edited by John Kent Folmar. "Enlivened with a sense of humor and a skillful and pleasant writing style, Williams's letters are not only a useful account of the Mobile theater, which has long been a neglected facet of the war, but also a first-person guide to the rigors--and boredom--of camp life and the concerns of the men in the field. The letters are well written, candid, realistic communications of an intelligent, honorable and judicious man." This 187 page 1981 issue will costs you $ 25.00.
http://www.mosocco.com/alabama.html
The U. S. Army Military History Institute, Carlisle Barracks, Pa., possess the following pertinent personal papers re the 21st Alabama, in the Institute's Manuscript Archive:
Adams, John & Timoleon CWTIColl AdamsFamilyColl (Enlisted men's letters, Feb 8, 1861-Jun 10, 1864)
Stewart, Charles S. CWTIColl (LTC's biography, 1828-63; Letters, Mar 9, 1862-Apr 23, 1863; Letter from officers to widow after COL's death, May 1, 1863; General orders announcing COL's death, May 2, 1863)