Penfield's (Nelson) Infantry. See New York Troops, 125th Regiment.

Penick's (Nathan) Artillery. See John W. Lewis' Artillery, ante.

Perrin's (Walter S.) Artillery. See Rhode Island Troops, 1st Regiment, Battery A.

Petersburg Artillery. See Virginia Troops.

Phillips' (Charles A.) Artillery. See Massachusetts Troops, 5th (E) Battery. Pickett's (Josiah) Infantry. See Massachusetts Troops, 25th Regiment.

Pier's (Colwert K.) Infantry. See Wisconsin Troops, 38th Regiment.

Pierce's (Henry H.) Heavy Artillery. See Connecticut Troops, 1st Regiment, Battery C.

Pincus' (Simon) Infantry. See New York Troops, 66th Regiment.

Piper's (Alexander) Heavy Artillery. See New York Troops, 10th Regiment.

Plaisted's (Harris M.) Infantry. See Maine Troops, 11th Regiment.

Pleasant's (Henry) Infantry. See Pennsylvania Troops, 48th Regiment.

Plimpton's (Josiah I.) Infantry. See New Hampshire Troops, 3rd Regiment.

Pope's (Edmund M.) Cavalry. See New York Troops, 8th Regiment.

Porter's (Peter A.) Heavy Artillery. See New York Troops, 8th Regiment.

Powers' (William P.) Artillery. See Wisconsin Troops, 4th Battery.

Pratt's (Franklin A.) Heavy Artillery. See Connecticut Troops, 1st Regiment, Battery M.

Pratt's (Henry C.) Heavy Artillery. See New York Troops, 13th Regiment, Battery A.

Pratt's (John E.) Infantry. See Vermont Troops, 4th Regiment.

Pride's (William G.) Heavy Artillery. See Connecticut Troops, 1st Regiment, Battery L.

Pulford's (John) Infantry. See Michigan Troops, 5th Regiment.

Purcell Artillery. See Virginia Troops.

Purington's (George A.) Cavalry. See Ohio Troops, 2nd Regiment.

Purnell Legion, Infantry. See Maryland Troops, Union.

Radcliffe's (James D.) Infantry. See North Carolina Troops, Confederate, 61st Regiment.

Ramsey's (Joseph F.) Infantry. See Pennsylvania Troops, 187th Regiment.

Rand's (Arnold A.) Cavalry. See Massachusetts Troops, 4th Regiment.

Regan's (Peter C.) Artillery. See New York Troops, 7th Battery.

Reynolds' (William B.) Infantry. See Vermont Troops, 17th Regiment.

Rhinehart's (Alfred A.) Infantry. See Pennsylvania Troops, 148th Regiment.

Rhines' (Levant C.) Sharpshooters. See Michigan Troops, 1st Regiment.

Rhodes' (William B.) Artillery. See Rhode Island Troops, 1st Regiment, Battery E.

Richardson's (Lester I.) Artillery. See New York Troops, 1st Regiment, Battery D.

Richmond Fayette Artillery. See Virginia Troops.

Richmond Howitzers, Artillery. See Virginia Troops.

Ricketts' (R. Bruce) Artillery. See Pennsylvania Troops, 1st Regiment, Battery F.

Riggs' (William J.) Artillery. See New York Troops, 3rd Regiment, Battery H.

Ripley's (Edward H.) Infantry. See Vermont Troops, 9th Regiment.

Rittenhouse's (Benjamin F.) Artillery. See Union Troops, Regulars, 5th Regiment, Battery D.

Rivers' (Charles C.) Infantry. See Massachusetts Troops, 11th Regiment.

Robinson's (Gilbert P.) Infantry. See Maryland Troops, Union, 3rd Regiment.

Rockbridge Artillery. See Virginia Troops.

Roder's (John W.) Artillery. See Union Troops, Regulars, 4th Regiment, Battery K.

Roemer's (Jacob) Artillery. See New York Troops, 34th Battery.

Rogers' (Edward W.) Artillery. See New York Troops 19th Battery.

Rogers' (Robert E.) Artillery. See New York Troops, 1st Regiment, Battery B.

Root's (Daniel S.) Infantry. See Michigan Troops, 3rd Regiment.

Ross' (William E. W.) Infantry. See Union Troops, Colored, 31st Regiment.

Russell's (Charles S.) Infantry. See Union Troops, Colored, 28th Regiment.