Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
Spencer, Berdett - Cpl - Co K - 20 IL US INF
Residence, Joliet, Will Co, IL; Join, 13Jun1861; Age, 28; Born, Mohawk, NY
Height, 5' 7-1/2"; Hair, brown; eyes, gray; Complexion, fair; Single; Farmer
Discharged 13Jun1864 term having expired
American Civil War Soldiers (ancestry.com)
Civil War Soldiers & Sailors System Search Detail (National Park Service):
National Graves Registration Database (Sons of Union Veterans of the Civil War):
Will County Illinois USGenWeb Necrologist Reports (© 2002 The ILGenWeb Project All Rights Reserved):
Headstone Reading,Published Obituaries:
Additional Biographical Material: