1. Keys to nearctic fauna. Thorp and Covich's freshwater invertebrates / volume II, ([2016]) Editors: Thorp, James H; Rogers, D. Christopher Record Type: Book Extent: 1 online resource (xxi, 740 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Thorp and Covich's freshwater invertebrates : keys to Nearctic fauna /: keys to Nearctic fauna. (2015) Editors: Thorp, James H; Rogers, D. Christopher Other Names: Covich, Alan P Record Type: Book Extent: 1 online resource, illustrations (colour) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Thorp and Covich's freshwater invertebrates. Keys to neotropical hexapoda / Volume III, (2018) Editors: Hamada, Neusa; Thorp, James H; Rogers, D. Christopher Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗