Grollig, F. X. Francis X. Grollig, S.J., papers.
Lua i Stíl Chicago (17ú heag.)Grollig, Francis Xavier. Francis X. Grollig, S.J., Papers.
Lua MLA (8ú heag.)Grollig, Francis Xavier. Francis X. Grollig, S.J., Papers.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.