Gill, Robert W. The Thames and Hudson manual of rendering with pen and ink with 166 illustrations [by] Robert W. Gill. - London, Thames and Hudson, 1979 - 368 p. illus. 25 cm. - The Thames and Hudson manuals . Bibliography: p. 364-365. ISBN: 050067003X 0500680035 (pbk.) 9780500680032 LCCN: 73160912 Nat. Bib. No.: B73-07768 Subjects--Topical Terms: Pen drawing.Perspective.Architectural rendering. LC Class. No.: NC905 / .G54 1973 Dewey Class. No.: 741.2 GIL / 12103