sˈɪvəl wˈɔːɹ ˈɑːɹkaɪv, jˈuːniən ɹˌɛdʒɪmˈɛntəl hˈɪstɚɹiz: mˈɛɹɪlˌænd θˈɜːd ɹˈɛdʒɪmənt pətˈoʊmək hˈoʊm bɹɪɡˈeɪd ˈɪnfəntɹi pɹəvˈaɪdz mˈoːɹ diːtˈeɪlz ɐbˌaʊt ðə ɹˈɛdʒɪmənt dˈaʊni sˈɜːvd ɪn dˈʊɹɹɪŋ ðə sˈɪvəl wˈɔːɹ.
Civil War Archive, Union Regimental Histories: Maryland 3rd Regiment Potomac Home Brigade Infantry - Provides more details about the regiment Downey served in during the Civil War.