아일랜드, 제임스 알렉산더 헨더슨, 1856년 벨파스트 및 얼스터 안내 책자

"Ireland, James Alexander Henderson, The Belfast and Province of Ulster Directory for 1856." Database. FamilySearch. https://FamilySearch.org : 22 February 2025. Records extracted and images digitized by FindMyPast. Citing James Alexander Henderson, The Belfast and Province of Ulster Directory for 1856. Great Britain: James Alexander Henderson, n.d.