Roberts' (William P.) Infantry. See Union Troops, Colored, 127th Regiment.

Robertson's (Claude S.) Infantry. See Union Troops, Regulars, 10th Regiment.

Robertson's (Peter) Infantry. See New York Troops, 106th Regiment.

Robertson's (William P., jr.) Cavalry. See New Jersey Troops, 3rd Regiment.

Rodenbough's (Theophilus F.) Cavalry. See Union Troops, Regulars, 2nd Regiment.

Rodgers' (Robert S.) Infantry. See Maryland Troops, Union, 2nd Regiment, E. S.

Rogers' (George W.) Infantry. See New York Troops, 173rd Regiment.

Rogers' (Joab B.) Cavalry. See Connecticut Troops, 1st Regiment.

Rosney's (Andrew) Artillery. See Pennsylvania Troops, 1st Regiment, Battery D.

Ross' (P. D.) Infantry. See Alabama Troops, 12th Regiment.

Ruhl's (Edgar M.) Infantry. See Pennsylvania Troops, 87th Regiment.

Russell's (Edward J.) Heavy Artillery. See Massachusetts Troops, 15th Unattached Company.

Russell's (Milton) Infantry. See Georgia Troops, 60th Regiment.

Rust's (Henry, jr.) Infantry. See Maine Troops, 13th Regiment.

Rutherford's (Allan) Infantry. See Union Troops, Veteran Reserve Corps, 22nd Regiment.

Ryer's (B. Franklin) Artillery. See New York Troops, 20th Battery.

Salsbury's (John A.) Infantry.* See Pennsylvania Troops, 87th Regiment.

Sanno's (Edward B.) Cavalry. See Pennsylvania Troops.

Sargent's (John) Cavalry. See Illinois Troops, 8th Regiment.

Sargent's (Lorenzo D.) Cavalry. See Massachusetts Troops, 3rd Regiment.

Schall's (John W.) Infantry. See Pennsylvania Troops, 87th Regiment.

Schneider's (Joseph) Cavalry. See New York Troops, 16th Regiment.

Schwartz's (Edward) Cavalry. See New York Troops, 4th Regiment.

Scott's (Henry D.) Artillery. See Massachusetts Troops, 16th Battery.

Scott's (Rufus) Cavalry. See New York Troops, 19th Regiment.

Seymour's (Charles J.) Cavalry. See New York Troops, 25th Regiment.

Sharp's (Elliphalet F.) Infantry. See Georgia Troops, 61st Regiment.

Shaurman's (Nelson) Infantry. See New York Troops, 90th Regiment.

Shaw's (James W.) Cavalry. See Ohio Troops, 8th Regiment.

Shipley's (Samuel D.) Infantry. See Massachusetts Troops, 30th Regiment.

Shivers' (William R.) Infantry. See Louisiana Troops, 1st Regiment, Volunteers.

Shoemaker's (John J.) Artillery. See Virginia Troops, Confederate.

Showalter's (John H.) Infantry. See West Virginia Troops, 6th Regiment.

Simison's (Samuel A.) Infantry. See Illinois Troops, 23rd Regiment.

Simpson's (James L.) Infantry. See West Virginia Troops, 11th Regiment.

Skinner's (Benjamin M.) Infantry. See West Virginia Troops, 9th Regiment.

Skinner's (James H.) Infantry. See Virginia Troops, Confederate, 52nd Regiment.

Slack's (Hedgeman) Cavalry. See West Virginia Troops, 7th Regiment.

Smith's (George W. P.) Cavalry. See Maryland Troops, Union.

Smith's (Howard M.) Cavalry. See New York Troops, 19th Regiment.

Smith's (Robert S.) Cavalry. See Union Troops, Regulars, 2nd Regiment.

Smith's (S. Crawford) Engineers. See Pennsylvania Troops.

Snow's (Alonzo) Artillery. See Maryland Troops, Union, Battery B.

Snow's (John S.) Artillery. See Maine Troops, 1st Battery.

Snyder's (James W.) Heavy Artillery. See New York Troops, 9th Regiment.

Soule's (Lewis) Infantry. See Massachusetts Troops, 20th Unattached Company.

South's (Zedekiah) Infantry. See Ohio Troops, 153rd Regiment.

Spangler's (Aaron) Infantry. See Ohio Troops, 110th Regiment.

Spear's (Vivian K.) Infantry. See Union Troops, Veteran Reserve Corps, 2nd Battalion, 95th Company.

Spear's (Wallace M.) Heavy Artillery. See Wisconsin Troops, 1st Regiment, Battery A.

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* Temporarily commanding.

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