Willis W. William L. Grogan and Terry L. Erwin Wirth 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
