That book “The Civil War Begins: Recollections of three soldiers of the Seventh Indiana Volunteer Infantry Regiment,” was edited with an introduction by Calvin D. Davis in 2011. It contains the recollections of Assistant Surgeon G.W.H Kemper (1898), First Lieutenant Orville Thomson (1895) and Captain Alexander Pattison (1882.) The Historical Society’s Museum on N. Franklin has the book.
At least 2,200 men from Indiana fought at Gettysburg, 522 men from Indiana were casualties and many among the first casualties. Today there are monuments for each regiment that fought there. In addition, there is a monument dedicated to all Indiana men who fought there. It’s made of Barre Granite from Vermont and Indiana limestone.