Census of India 1981 <br/><br/>
Punjab: general economic tables (table B-18 to B-22) 

 - Delhi  The Controller of Publications  1988 
 - 667+p. 
 - Census of India 1981. Series-17, Punjab. Part-III A & B (ii) .
<br/><br/><label>Dewey Class. No.: </label>A81x54 In2/81/17/Pt 3 A & B/2