Shearon's (Thomas R.) Infantry. See Tennessee Troops, Confederate, 47th Regiment.

Shelley's (James T.) Infantry. See Tennessee Troops, Union, 5th Regiment.

Sherer's (Samuel B.) Cavalry. See Illinois Troops.

Sherman's (Francis T.) Infantry. See Troops, 88th Regiment.

Shoemaker's (Michael) Infantry. See Michigan Troops, 13th Regiment.

Shryock's (Kline G.) Infantry. See Indiana Troops, 87th Regiment.

Simonson's (Peter) Artillery. See Indiana Troops, 5th Battery.

Simpson's (Robert V.) Infantry. See Illinois Troops, 104th Regiment.

Sirwell's (William) Infantry. See Pennsylvania Troops, 78th Regiment.

Slemmer's (Adam J.) Infantry. See Union Troops, Regulars, 16th Regiment.

Slemp's (Campbell) Infantry. See Virginia Troops, 64th Regiment.

Slocomb's (C. H.) Artillery. See Washington Artillery, 5th Battery.

Smith's (Baxter) Cavalry. See Tennessee Troops, Confederate.

Smith's (D. H.) Cavalry. See Kentucky Troops, Confederate, 5th Regiment.

Smith's (Frank C.) Infantry. See Illinois Troops, 102nd Regiment.

Smith's (Frank G.) Artillery. See Union Troops, Regulars, 4th Regiment, Battery I.

Smith's (J. A.) Infantry. See Confederate Troops, Regulars, 5th Regiment.

Smith's (Joseph T.) Infantry. See Georgia Troops, 9th Battalion.

Smith's (M.) Artillery. See Mississippi Troops.

Smith's (Robert F.) Infantry. See Illinois Troops, 16th Regiment.

Smith's (S. G.) Infantry. See Arkansas Troops, 6th and 7th Regiments.

Smith's (T. B.) Infantry. See Tennessee Troops, Confederate, 20th Regiment.

Snider's (Joseph R.) Infantry. See Kentucky Troops, Union, 15th Regiment.

Southwick's (Daniel K.) Artillery. See Ohio Troops, 1st Regiment, Battery C.

Squires' (William H.) Infantry. See Ohio, 26th Regiment.

Stafford's (Joab A.) Infantry. See Ohio Troops, 1st Regiment.

Staley's (M.) Cavalry. See Tennessee Troops, Confederate, 16th Battalion.

Standart's (William E.) Artillery. See Ohio Troops, 1st Regiment, Battery B.

Stanford's (T. J.) Artillery. See Mississippi Troops.

Stansel's (M. L.) Infantry. See Alabama Troops, 41st Regiment.

Stanton's (S. S.) Infantry. See Tennessee Troops, Confederate, 84th Regiment.

Starnes' (James W.) Cavalry. See Tennessee Troops, Confederate.

Stem's (Leander) Infantry. See Ohio Troops, 101st Regiment.

Steuben Artillery. See William W. Carnes' Artillery.

Stevens' (Alanson J.) Artillery. See Pennsylvania Troops, Battery B.

Stewart's (Robert R.) Cavalry. See Indiana Troops, 2nd Regiment.

Stiles' (Henry E.) Artillery. See Wisconsin Troops, 8th Battery.

Stivers' (Joseph W.) Cavalry. See Kentucky Troops, Union, 14th Regiment.

Stokes' (James H.) Artillery. See Chicago Board of Trade Artillery.

Stokes' (William B.) Cavalry. See Tennessee Troops, Union, 5th Regiment.

Stone's (David C.) Artillery. See Kentucky Troops, Union, Battery A.

Stoner's (R. G.) Cavalry. See Kentucky Troops, Confederate.

Stoner's (R. G.) Cavalry. See Kentucky Troops, Confederate, 9th Regiment.

Stoughton's (William L.) Infantry. See Michigan Troops, 11th Regiment.

Stout's (Ira H.) Cavalry. See Kentucky Troops, Union, 12th Regiment.

Stovall's (M. A.) Infantry. See Georgia Troops, 3rd Battalion.

Strahl's (O. F.) Infantry. See Tennessee, Confederate, 4th and 5th Regiments.

Streight's (Abel D.) Infantry. See Indiana Troops, 51st Regiment.

Sutermeister's (Arnold) Artillery. See Indiana Troops, 11th Battery.

Swaine's (Peter T.) Infantry. See Ohio Troops, 99th Regiment.

Swallow's (George R.) Artillery. See Indiana Troops, 7th Battery.

Swanwick's (Francis) Infantry. See Illinois Troops, 22nd Regiment.

Swett's (C.) Artillery. See Warren Light Artillery.

Sykes' (W. L.) Infantry. See Mississippi Troops, 5th Regiment.

Tafel's (Gustavus) Infantry. See Ohio Troops, 106th Regiment.