History -- Research -- Case studies. / https://id.loc.gov/authorities/subjects/sh85061225 https://id.loc.gov/authorities/subjects/sh99001484 : Milligan, Ian,
History -- Research -- Ireland. / https://id.loc.gov/authorities/subjects/sh85061225 https://id.loc.gov/authorities/names/n79063445-781 : Edwards, R. Dudley
History -- Research -- United States. / https://id.loc.gov/authorities/subjects/sh85061225 https://id.loc.gov/authorities/names/n78095330-781 : Hockett, Homer C.