Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
Wilhelm, Peter - CPL - Co D - 90 IL US INF
Residence, Joliet, Will Co, IL; Join, 15Aug1862-Joliet; Age, 35; Born, Germany
Height, 5' 7"; Hair, brown; Eyes, gray; Complexion, fair; Single; Laborer
Deserted 15Nov1862 at Chicago, IL
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: