000
00283 am a2200121 a 4500
100
1
_a
Dove, W.E.
245
1
_a
Screwworm control
260
_a
Washington
_c
1938
300
_a
1-6 p.
942
_2
udc
_c
B
440
_a
U.S. Department of Agricultre. Leaflet No. 162
901
_a
S49665
999
_c
106247
_d
106247