Mosquito work on a wartime basis, special problems and the manner in which they are being met in Philadelphia.
REEVES
R S
RS
PACKER
H M
HM
GIES
R W
RW
D000818:Animals; D009033:Culicidae; D006801:Humans; D009032:Mosquito Control; D015143:Philadelphia; D014937:Work
MOSQUITOES/eradication