Carroll, P. V. (1963). Qui on in coelis, a brief trilogy (in memory of Mary Pearl).
Lua i Stíl Chicago (17ú heag.)Carroll, Paul Vincent. Qui on in Coelis, a Brief Trilogy (in Memory of Mary Pearl). 1963.
Lua MLA (9ú heag.)Carroll, Paul Vincent. Qui on in Coelis, a Brief Trilogy (in Memory of Mary Pearl). 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
