Grogan, William L. books & textbook
Natural history of Plummers Island, Maryland; XXV: Biting midges (Diptera: Ceratopogonidae) 3. The species of the Tribe Stilobezziini; XXVI: The ground beetles of a temperate forest site (Coleoptera
Willis W. William L. Grogan and Terry L. Erwin Wirth
Biological Society of Washington /1981T Paperback
The Predaceous Midges of the World
Wirth, Willis Wagner Grogan, William L.
CRC Press /1988-01-01 Paperback / 208 Pages
isbn-10: 0916846431 / isbn-13: 9780916846435
