O'Connor, John The technique of wood engraving. - London New York Batsford Watson-Guptill Publications. 1971. - 144 p. illus. (some col.) 26 cm. ISBN: 0713425172 LCCN: 78105130 Nat. Bib. No.: B71-20587 Subjects--Topical Terms: Wood-engraving--Technique. LC Class. No.: NE1225 / .O25 Dewey Class. No.: 761/.2