• People of Pennsylvania in the American Civil War (573 P)

A

• American Civil War museums in Pennsylvania (6 P)

G

• Gettysburg Battlefield (4 C, 50 P)
• Gettysburg National Military Park (12 P)

M

• Military operations of the American Civil War in Pennsylvania (2 C, 3 P)

U

• Union (American Civil War) monuments and memorials in Pennsylvania (9 P)
• Units and formations of the Union army from Pennsylvania (1 C, 176 P)

• Pennsylvania in the American Civil War

0–9

• 15th Tennessee Infantry Regiment
• 47th Pennsylvania Infantry Regiment
• 1865 Pennsylvania State Equal Rights League Convention

B

• Barlow, Pennsylvania

C

• Camp Curtin
• Camp Scott (Pennsylvania)
• Camp Union
• Camp William Penn
• Carlisle Barracks
• Carlisle, Pennsylvania
• Cashtown Inn
• Cashtown-McKnightstown, Pennsylvania
• Chambersburg, Pennsylvania
• Civil War Museum of Philadelphia
• Consecration of the National Cemetery at Gettysburg

D

• Department of the Monongahela
• Department of the Susquehanna

E

• Eastern theater of the American Civil War

F

• Fairfield, Pennsylvania
• First Troop Philadelphia City Cavalry
• Fishing Creek Confederacy
• Fort Black
• Fort Jones (Mount Oliver)
• Fort Laughlin
• Fort Mifflin
• Fort Robert Smalls
• Frankford Arsenal

G

• Gettysburg Address
• Gettysburg Battlefield
• Gettysburg Battlefield Historic District
• Grand Army of the Republic Hall (Johnstown, Pennsylvania)
• Great Central Fair

H

• Hanover, Pennsylvania
• Harrisburg in the American Civil War

J

• Sallie Ann Jarrett
• Journey Through Hallowed Ground National Heritage Area

K

• Knights of the Golden Circle

L

• Littlestown, Pennsylvania

M

• Mason–Dixon line
• Mechanicsburg, Pennsylvania
• Monterey, Pennsylvania
• Mower General Hospital

N

• National Civil War Museum
• Northern Central Railway

O

• Old Guard State Fencibles

P

• Pennsylvania First Defenders
• Pennsylvania Railroad Bridge (Columbia, Pennsylvania)
• Philadelphia Brigade
• Philadelphia in the American Civil War
• Phoenix Iron Works (Phoenixville, Pennsylvania)
• Pittsburgh in the American Civil War

R

• Rock Creek-White Run Union Hospital Complex
• Round Top hospitals

S

• Satterlee General Hospital
• Shohola train wreck
• Soldiers and Sailors Memorial Hall and Museum

T

• Two Taverns, Pennsylvania

U

• Union League of Philadelphia

V

• The Valley of the Shadow

W

• War Governors' Conference
• Washington Grays (Philadelphia)
• Wrightsville, Pennsylvania

Y

• York General Hospital (Pennsylvania)
• York, Pennsylvania