Ledgard, Henry F.,  1943- <br/><br/>
Elementary PASCAL, as chronicled by John H. Watson / 
edited with commentaries by Henry Ledgard and Andrew Singer 
 - Student ed. 
 - Chicago :  Science Research Associates,  1982 
 - xiv, 350 p. :  ill. ;  24 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pascal (Computer program language)