James Shields
Illinois Civil War Muster and Descriptive Rolls Database (Illinois State Archives):
       Shields, James  - 2LT - Co F - 20 IL US INF
       Promoted 1LT
       Shields, James  - 1LT - co F - 20 IL US INF
       Residence, Joliet, Will Co, IL; Join, 13Jun1861; Age, 28
        Rail Road Agent
        Resigned at Birds Point MO, 26Feb1862
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: