The Francis Walker types of Trichoptera in the British Museum, re-described and figured by Cornelius Betten and Martin E. MoselyCornelius Betten · First published 1940Open the Tome
The Francis Walker types of Trichoptera in the British MuseumCornelius Betten · First published 1940Open the Tome
The caddis flies or Trichoptera of New York StateCornelius Betten · First published 1934Open the Tome
