Lewis H. Gough
On the Dispersion of The Pink Boll Worm in Egypt - Cairo Government Press 1922 - 20 28 cm - Bulletin - Technical and Scientific Service 24 .
1922
English
General
On the Dispersion of The Pink Boll Worm in Egypt - Cairo Government Press 1922 - 20 28 cm - Bulletin - Technical and Scientific Service 24 .
1922
English
General