The Cincinnati Hooker–Thompson–Groesbeck Connections Reigle_Cincinnati_Connections_Hooker_Thompson_Groesbeck
Hardesty’s Military History of Ohio: An Inventory of Current Availability Hardesty_Inventory_2011_February_03
Resources for Ohio Civil War Genealogy Research Resources_for_Ohio_Civil_War_Genealogy_Research_2012_Mar_24
A Case Study in Civil War Genealogy: The Death of Captain John M. Bell, 44th OVI, by Dan Reigle John M Bell_website