De M N Instructions for reaing mulberry silk-worms De M N - 3rd - Calcutta superintendent government printing India 1921 - 43p. cm. - Bulletin,Agricultural research institute,Pusa.; No. 39. . Standard No.: 25532 Source: Textual Subjects--Topical Terms: ZOOLOGY Dewey Class. No.: KZ711:7.2'N2, F1