Household Insects and their Control.
Gibson, Authur
Household Insects and their Control. - Canada Ottawa,Div.of Entonology Dept. of Agricu 1939 - 100 p. - Farmers Bulletion No 71 Publication 642 .
6.32.7 GIB-H
Household Insects and their Control. - Canada Ottawa,Div.of Entonology Dept. of Agricu 1939 - 100 p. - Farmers Bulletion No 71 Publication 642 .
6.32.7 GIB-H