Leslie Stephen, Hartley, David (1705-1757), Dictionary of National Biography, 1885–1900, ”... was baptised at Luddenden, Halifax, on 21 June 1705, although his son gives ths date of his birth as 30 Aug. 1705.”.[källa från Wikidata]
Гартли, Entsiklopeditjeskij leksikon.[källa från Wikidata]
Leslie Stephen, Hartley, David (1705-1757), Dictionary of National Biography, 1885–1900, ”Hartley remained at Bath, ind died there on 28 Aug. 1757.”.[källa från Wikidata]
