Pluckrose, Henry Arthur. Introducing crayon techniques [by] Henry Pluckrose. - London New York Batsford Watson-Guptill 1967. - 100 p. illus. (incl. 1 col.). 21 1/2 x 21 cm. Bibliography: p. 100. LCCN: 68010021 Nat. Bib. No.: B67-17551 Subjects--Topical Terms: Crayon drawing. LC Class. No.: NC855 / .P5 Dewey Class. No.: 741.2/3