Lawrence, Edgar D. Sign language made simple / Edgar D. Lawrence ; graphic design, Mike Johnson. - Rev. ed. - Springfield, Mo. : Gospel Pub. House, c1979. - 240 p. : ill. ; 26 cm. Includes index. Bibliography: p. 22. ISBN: 088243604X LCCN: 79010417 Subjects--Topical Terms: American Sign Language. LC Class. No.: HV2474 / .L38 1979 Dewey Class. No.: 419