Wright, E. P. (1902). Naturalists of Ireland. I. Alexander Henry Haliday. With portrait.
Lua i Stíl Chicago (17ú heag.)Wright, E. Perceval. Naturalists of Ireland. I. Alexander Henry Haliday. With Portrait. 1902.
Lua MLA (9ú heag.)Wright, E. Perceval. Naturalists of Ireland. I. Alexander Henry Haliday. With Portrait. 1902.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
