| *Companies A (15 men), B (20 men), D (all except 7 men), E (all except 10 men), from [[Orange County, Indiana Genealogy|Orange County]]. "Military History Of Orange County", Chapter 7, ''History of Washington County Indiana.'' Salem, Ind: Washington County Historical Society, 1999. Pages 520-521. {{FSC|477890|item|disp=FS book 977.226 H2Lc}}; {{WorldCat|436936422|disp=At various libraries (WorldCat)}}. '''''Online at:''''' [http://www.archive.org/details/historyoflawrenc00chic Internet Archive]. | | *Companies A (15 men), B (20 men), D (all except 7 men), E (all except 10 men), from [[Orange County, Indiana Genealogy|Orange County]]. "Military History Of Orange County", Chapter 7, ''History of Washington County Indiana.'' Salem, Ind: Washington County Historical Society, 1999. Pages 520-521. {{FSC|477890|item|disp=FS book 977.226 H2Lc}}; {{WorldCat|436936422|disp=At various libraries (WorldCat)}}. '''''Online at:''''' [https://www.archive.org/details/historyoflawrenc00chic Internet Archive]. |
| *Company K - men from multiple counties, roster at [https://sites.rootsweb.com/~inscott/CoK66thIN.html Rootsweb]. | | *Company K - men from multiple counties, roster at [https://sites.rootsweb.com/~inscott/CoK66thIN.html Rootsweb]. |