Irska, James Alexander Henderson, imenik za Belfast i Province of Ulster za 1856.

"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.