Insects of Virginia
Hoffman, R.L.
Insects of Virginia No. 4 - Virginia 1971 - 1-61 p. - Insect Virginia Polytechnic Institute. Research Division Bulletin No. 67 .
Insects of Virginia No. 4 - Virginia 1971 - 1-61 p. - Insect Virginia Polytechnic Institute. Research Division Bulletin No. 67 .