Home › Authors › United States. Army. Pennsylvania Cavalry, 3rd (1861-1865). Company H. 👤 United States. Army. Pennsylvania Cavalry, 3rd (1861-1865). Company H. 1 book Books by United States. Army. Pennsylvania Cavalry, 3rd (1861-1865). Company H. Constitution and by-laws of Co Constitution and by-laws of Company H, Third Pennsylvania Cavalry 1878