Rhett Artillery. See Tennessee Troops, Confederate.

Rice's (Horace) Infantry. See Tennessee Troops, Confederate, 29th Regiment.

Rice's (P. H.) Cavalry. See William McLaughlin's Cavalry.

Richards' (W. C.) Sharpshooters. See Mississippi Troops, 9th Battalion.

Richardson's (R. V.) Cavalry. See Tennessee Troops, Confederate.

Riley's (William E.) Cavalry. See Kentucky Troops, Union, 11th Regiment.

Rippey's (Charles H.) Infantry. See Ohio Troops, 90th Regiment.

Robertson's (F. H.) Artillery. See Florida Troops.

Robie's (Oliver P.) Cavalry. See Ohio Troops, 4th Regiment.

Robinson's (W. D.) Infantry. See Tennessee Troops, Confederate, 2nd Regiment, P. S.

Rodey's (P. D.) Cavalry. See Alabama Troops.

Roemer's (Jacob) Artillery. See New York Troops, 2nd Regiment, Battery L.

Rose's (Thomas E) Infantry. See Pennsylvania Troops, 77th Regiment.

Ross' (J. A.) Infantry. See Arkansas Troops, 4th Battalion.

Ross' (George E.) Infantry. See Ohio Troops, 45th Regiment.

Ross' (L. S.) Cavalry. See Texas Troops, 6th Regiment.

Rowan's (John A.) Infantry. See Tennessee Troops, Confederate, 62nd Regiment.

Rucker's (E. W.) Legion. See Tennessee Troops, Confederate.

Rudler's (a. F.) Infantry. See Georgia Troops, 37th Regiment; also 3rd Battalion.

Russell's (Francis L. D.) Artillery. See Union Troops, Regulars, 4th Regiment, Battery M.

Sanders' (C. F.) Cavalry. See Buckner Guards.

Sanford's (J. W. A.) Infantry. See Hilliard's Legion.

Sasseen's (William A.) Cavalry. See Kentucky Troops, Union, 8th Regiment.

Scales' Cavalry. Official designation unknown. See Captain Scales.

Scales' (Julius I.) Infantry. See Mississippi Troops, 27th and 30th Regiments.

Schambeck's (Friedrich) Cavalry. See Illinois Troops, 16th Regiment.

Schultz's (Frederick) Artillery. See Ohio Troops, 1st Regiment, Battery M.

Scobey's (John S.) Infantry. See Indiana Troops, 68th Regiment.

Scogin's (John) Artillery. See Griffin Light Artillery.

Scott's (John S.) Cavalry. See Louisiana Troops, 1st Regiment.

Scott's (W. L.) Artillery. See Tennessee Troops, Confederate.

Searcy's (A.) Infantry. See Tennessee Troops, Confederate, 45th Regiment.

Sehlen's (John C. H. von) Artillery. See Indiana Troops, 15th Battery.

Seidel's (Charles B.) Cavalry. See Ohio Troops, 3rd Regiment.

Semple's (Henry C.) Artillery. See Alabama Troops.

Shackelford's (George T.) Infantry. See Kentucky Troops, Union, 6th Regiment.

Sharp's (J. H.) Infantry. See Mississippi Troops, 44th Regiment.

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

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

Shields' (Joseph C.) Artillery. See Ohio Troops, 19th Battery.

Shy's (W. M.) Infantry. See Tennessee Troops, Confederate, 20th Regiment.

Siler's (Julius T.) Cavalry. See North Carolina Troops, 7th Battalion.

Simms' (J. D.) Cavalry. See Georgia Troops, 16th Battalion.

Simpson's (W. P.) Infantry. See Tennessee Troops, Confederate, 23rd Battalion.

Sims' (Joseph A.) Artillery. See Indiana Troops, 24th Battery.

Sipes' (William B.) Cavalry. See Pennsylvania Troops, 7th Regiment.

Skiles' (John W.) Infantry. See Ohio Troops, 115th Regiment.

Slaughter's (J. N.) Infantry. See Alabama Troops, 34th Regiment.

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

Slevin's (Patrick S.) Infantry. See Ohio Troops, 100th Regiment.

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

Smith's (Alexander) Cavalry. See Kentucky Troops, Union, 1st Regiment.

Smith's (Arthur A.) Infantry. See Illinois Troops, 83rd Regiment.

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