Diseases and pests of cultivated plants
Eastham, John William,
1879-
creator
Ruhmann, Max H.
contributor
Joy, Benjamin,
1888-
contributor
text
book
Victoria, B.C
Printed by W.H. Cullen, printer to the King's most excellent Majesty
1916
1916
ENG
Insect pests
Plant diseases
Spraying
Bulletin (British Columbia. Dept. of Agriculture), no. 68
https://www.biodiversitylibrary.org/bibliography/26406
28597742
10.5962/bhl.title.26406
Library, U.S. Dept. of Agriculture