International war on locusts
Uvarov, B.P.
International war on locusts - London 1953 - 85-92 p. - No. 77 Great Britain, Anti-Locust Reprint .
Locusts
International war on locusts - London 1953 - 85-92 p. - No. 77 Great Britain, Anti-Locust Reprint .
Locusts