- Office of the Auditor (Delaware County, Ind.); Woolpert Geographic Information Services; The Sidwell Company
- Indiana Memory
- Ball State University. University Libraries. Archives and Special Collections
Ball State University. University Libraries
W 1/2 T21N R11E.
- Plats; Maps; Aerial photographs; Black and white images
- Delaware (Delaware County, Ind. : Township)
Liberty (Delaware County, Ind. : Township)