found: Every boys' book, 1856:p. iv (engraved by the brothers Dalziel) plates (Dalziel)
found: RLIN database, 7-27-93(hdg.: Dalziel Brothers; Brothers Dalziel)
found: Bunyan, John. Pilgrim's progress, 1882:t.p. (illustrated by Dalziel Bros.)
found: Wikipedia, 8 December 2015(Brothers Dalziel; firm of Victorian engravers founded in 1839 by George Dalziel (1815-1902) and his brother Edward Dalziel (1817-1905), later joined by John Daliziel and Thomas Dalziel (1823-1906), all sons of Alexander Dalziel)
found: Oxford dictionary of national biography, 8 December 2015(Dalziel family; wood-engravers; established the London firm known as the Dalziel brothers, one of the most important providers of book and magazine illustrations in the mid-Victorian period; four of the sons of Alexander Dalziel and Elizabeth Hills worked in the firm: George Dalziel (1815-1902) founded the firm; in 1840 he was joined by his brother Edward (1817-1905), at the address 48 Albert Street, Mornington Crescent; joined in their wood-engraving business by their sister Margaret Jane (1819-1894) in 1851, and by their brother John in 1852 (1822-1869) and Thomas (1823-1906) in 1860; business address changed to 4 Camden Street North, Camden Town from 1854)
