Browse all Entries, Images, Videos, and Audio Files in the Civil War Military Units category. Thirteenth Regiment Ohio Volunteer Cavalry 1864–1865 Thirteenth Regiment Ohio Volunteer Infantry (Three Months Service) Thirteenth Regiment Ohio Volunteer Infantry (Three Years Service) Thirtieth Regiment Ohio Volunteer Infantry Thirty-eighth Regiment Ohio Volunteer Infantry Thirty-fifth Regiment Ohio Volunteer Infantry 1861–1864 Thirty-first Regiment Ohio Volunteer Infantry 1861–1865 Thirty-fouth Regiment Ohio Volunteer Infantry Thirty-ninth Regiment Ohio Volunteer Infantry Thirty-second Regiment Ohio Volunteer Infantry Previous 1…6667686970…72 Next