"Snyder County Annals : a collection of all kinds of historical items affecting Snyder County from the settlement of the first pioneers in this section, to the names of the soldiers in the World War, 1917-19 (1919)", Author: Wagenseller, George Washington, 1868- 4n;
Page 161:
DECEASED SOLDIERS
Hackenburg, Joseph,
Company F., 184th Regiment,
P. V. I. Captured in front of
Petersburg, Virginia, June 22, 1861.
Died in Andersonville prison, Georgia.
No record of death or grave.
Page 162:
Hackenburg, Joseph, son of Peter,
Enlisted the civil war from Center Twp., never returned.