Otey's (G. G.) Artillery. See Virginia Troops, Confederate.

Overton's (Edward) Infantry. See Pennsylvania Troops, 50th Regiment.

Owen's (Charles D.) Artillery. See Rhode Island Troops, 1st Regiment, Battery G.

Owen's (Joshua T.) Infantry. See Pennsylvania Troops, 69th Regiment.

Owen's (Samuel W.) Cavalry. See Pennsylvania Troops, 3rd Regiment.

Page's (A. C.) Infantry. See Virginia Troops, Confederate, 21st Regiment.

Page's (R. C. M.) Artillery. See Morris Artillery.

Page's (T. J., jr.) Artillery. See Magruder Artillery.

Palmer's (Oliver H.) Infantry. See New York Troops, 108th Regiment.

Palmer's (William J.) Cavalry. See Pennsylvania Troops, 15th Regiment.

Palmetto Artillery. See South Carolina Troops.

Palmetto Sharpshooters. See South Carolina Troops.

Pardee's (Ario, jr.) Infantry. See Pennsylvania Troops, 28th Regiment.

Parisen's (Phillip J.) Infantry. See New York Troops, 57th Regiment.

Parker's (F. M.) Infantry. See North Carolina Troops, 30th Regiment.

Parker's (Francis J.) Infantry. See Massachusetts Troops, 32nd Regiment.

Parker's (W. W.) Artillery. See Virginia Troops, Confederate.

Parry's (Augustus C.) Infantry. See Ohio Troops, 47th Regiment.

Patterson's (George M.) Artillery. See Sumter Artillery, Battery B.

Patton's (George S.) Infantry. See Virginia Troops, Confederate, 22nd Regiment.

Paxton's (John C.) Cavalry. See West Virginia Troops, 2nd Regiment.

Pee Dee Artillery. See South Carolina Troops.

Pegram's (R. G.) Artillery. See James R. Branch's Artillery.

Pegeram's (W. J.) Artillery. See Purcell Artillery.

Pelham's (John) Artillery. See Stuart Horse Artillery.

Perkins' (Sanford H.) Infantry. See Connecticut Troops, 14th Regiment.

Perrin's (James M.) Infantry. See South Carolina Troops, 1st Regiment, Rifles.

Pettes' (William H.) Engineers. See New York Troops, 50th Regiment.

Pettit's (Rufus D.) Artillery. See New York Troops, 1st Regiment, Battery B.

Peyton's (Jefferson) Artillery. See Orange Artillery.

Phillips' (John C.) Artillery. See Illinois Troops, 2nd Regiment, Battery M.

Pickens' (Samuel B.) Infantry. See Alabma Troops, 12th Regiment.

Pinto's (Francis E.) Infantry. See New York Troops, 31st Regiment.

Pittsburg Artillery. See Pennsylvania Troops, Battery F.

Poage's (Thomas) Infantry. See Virginia Troops, Confederate, 50th Regiment.

Poague's (William T.) Artillery. See Rockbridge Artillery.

Poland's (John S.) Infantry. See Union Troops, Regulars, 2nd and 10th Regiments.

Porter's (Josiah) Artillery. See Massachusetts Troops, Battery 1st (A).

Portsmouth Artillery. See Virginia Troops, Confederate.

Post's (Henry A. V.) Sharpshooters. See Union Troops, Volunteers, 2nd Regiment.

Potter's (Robert B.) Infantry. See New York Troops, 51st Regiment.

Pott's (Benjamin F.) Artillery. See Ohio Troops, 26th Battery.

Powell's (Eugene) Infantry. See Ohio Troops, 66th Regiment.

Powhatan Artillery. See Virginia Troops, Confederate.

Prevost's (Charles M.) Infantry. See Pennsylvania Troops, 118th Regiment.

Pulaski Artillery. See Georgia Troops.

Purcell Artillery. See Virginia Troops, Confederate.

Purdie's (Thomas J.) Infantry. See North Carolina Troops, 18th Regiment.

Purnell Legion. See Maryland Troops, Union.

Pye's (Edward) Infantry. See New York Troops, 95th Regiment.

Quay's (Matthew S.) Infantry. See Pennsylvania Troops, 134th Regiment.

Raine's (Charles I.) Artillery. See Lee Artillery.

Randol's (ALanson M.) Artillery. See Union Troops, Regulars, 1st Regiment, Batteries E and G.

Randolph's (Robert) Cavalry. See Black Horse Cavalry.