Braine, Percy N
Cultivation of silk worm : a guide to their rational treatment with notes on every species grown in ceylon with illustrations plans and estimates - Ceylon, A.M.&J Ferguson 1904 - 50
Silk worm - cultivation/ silk worm - diseses/ sericulture
638.2 BRA
100
Cultivation of silk worm : a guide to their rational treatment with notes on every species grown in ceylon with illustrations plans and estimates - Ceylon, A.M.&J Ferguson 1904 - 50
Silk worm - cultivation/ silk worm - diseses/ sericulture
638.2 BRA
100