Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
Seyler, William L. - Pvt - Co E - 147 IL US INF
Residence, Joliet, Will Co., IL; Join, 07Feb1865; Age, 20; Born, Jefferson Co, PA
Height, 5' 11"; Hair, brown; Eyes, hazel; Single; Farmer
Died 18Jun1865 at Resaca GA
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: