Shape-note singing -- Alabama -- History and criticism. / https://id.loc.gov/authorities/subjects/sh88007733 https://id.loc.gov/authorities/names/n79027034-781 https://id.loc.gov/authorities/subjects/sh99001187 : Boyd, Joe Dan,
Shape-note singing -- Social aspects -- United States. / https://id.loc.gov/authorities/subjects/sh88007733 https://id.loc.gov/authorities/subjects/sh00002758 https://id.loc.gov/authorities/names/n78095330-781 : Clawson, Laura,
Shape-note singing -- United States -- Congresses. / https://id.loc.gov/authorities/subjects/sh88007733 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh99001533 : National Sacred Harp Singing Convention
