Pinson's [R. A.] Cavalry. See Mississippi Troops, 1st Regiment.

Pointe Coupee Artillery. See Louisiana Troops.

Porter's [Ed. E.] Cavalry. See John G. Ballentine's Cavalry.

Portis' [John W.] Infantry. See Alabama Troops, 42nd Regiment.

Portlock's [E. E.,jr.] Infantry. See Arkansas Troops, 24th Regiment.

Powell's [Albert M.] Artillery. See Missouri Troops, Union, 1st Regiment, Battery M.

Prince's [Edward] Cavalry. See Illinois Troops 7th Regiment.

Pugh's [Isaac C.] Infantry. See Illinois Troops, 41st Regiment.

Purcell's [William] Infantry. See Iowa Troops, 16th Regiment.

Puterbaugh's [S. D.] Cavalry. See Illinois Troops, 11th Regiment.

Putnam's [James F.] Artillery. See Ohio Troops, 8th Battery.

Rapley's [W. F.] Sharpshooters. See Arkansas Troops.

Raum's [Green B.] Infantry. See Illinois Troops, 56th Regiment.

Raynor's [W. H.] Infantry. See Ohio Troops, 56th Regiment.

Reid's [Hugh T.] Infantry. See Iowa Troops, 15th Regiment.

Reynolds' [Thomas] Infantry. See Wisconsin Troops, 16th Regiment.

Rice's [Americus V.] Infantry. See Ohio Troops, 57th Regiment.

Rice's [Elliott W.] Infantry. See Iowa Troops, 7th Regiment.

Richardson' [Henry] Artillery. See Missouri Troops, Union, 1st Regiment, Battery D.

Richardson's [Robert] Infantry. See Louisiana Troops, 17th Regiment.

Richardson's [R. V.] Cavalry. See Tennessee Troops, Confederate.

Richardson's [S. J.] Cavalry. See Texas Troops.

Ricker's [E. G.] Cavalry. See Ohio Troops, 5th Regiment.

Ridley's [Samuel Jones] Artillery. See Mississippi Troops, 1st Regiment, Battery A.

Riley's [A. C.] Infantry. See Missouri Troops, Confederate, 1st Regiment.

Rinaker's [John I.] Infantry. See Illinois Troops, 122nd Regiment.

Robbins' [George W.] Infantry. See Wisconsin Troops, 8th Regiment.

Robertson's [J. W.] Infantry. See Alabama Troops, 35th Regiment.

Rogers' [George C.] Infantry. See Illinois Troops, 15th Regiment.

Rogers' [John A.] Infantry. See Tennessee Troops, Union, 7th Regiment.

Rogers' [W. P.] Sharpshooters. See Texas Troops, 2nd Regiment.

Rowan's [John A.] Infantry. See Tennessee Troops, Confederate, 62nd Regiment.

Ruggles' [James M.] Cavalry. See Illinois Troops, 3rd Regiment.

Rugg's [De Witt C.] Infantry. See Indiana Troops, 48th Regiment.

Russell's [A. A.] Cavalry. See Alabama Troops, 4th Regiment.

Rutheford's [Friend S.] Infantry. See Illinois Troops, 97th Regiment.

Saint Louis Artillery. See Missouri Troops, Confederate.

Sanborn's [J. B.] Infantry. See Minnesota Troops, 4th Regiment.

Sanders' [Addison H.] Infantry. See Iowa Troops, 16th Regiment.

Sanders' [V. P.] Cavalry. See Texas Troops, 15th Regiment.

Sands' [Frank C.] Artillery. See Ohio Troops, 11th Battery.

Sanford's [William W.] Infantry. See Illinois Troops, 48th Regiment.

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

Schadt's [Otto] Infantry. See Missouri Troops, Union, 30th Regiment.

Scott's [Oliver H. P.] Cavalry. See Iowa Troops, 3rd Regiment.

Scott's [Robert K.] Infantry. See Ohio Troops, 68th Regiment.

Sears' [Cyrus] Artillery. See Ohio Troops, 11th Battery.

Seley's [Abel H.] Cavalry. See Illinois Troops, 5th Regiment.

Sengstak's [Herman] Artillery. See Alabama Troops.

Shane's [John] Infantry. See Iowa Troops, 13th Regiment.

Shedd's [Warren] Infantry. See Illinois Troops, 30th Regiment.

Shelby's [W. B.] Infantry. See Mississippi Troops, 39th Regiment.

Shepard's [Isaac F.] Infantry. See Missouri Troops, Union, 3rd Regiment.

Skeel's [David] Infantry. See Ohio Troops, 80th Regiment.

Slemons' [W. F.] Cavalry. See Arkansas Troops, 2nd Regiment.