A Monograph of the Plecoptera or Stoneflies of America North of MexicoPeter Walter Claassen, Needham, James G. · First published 2018Open the Tome
Die soziale berufsgliederung des deutschen volkes nach nahrungsquellen und familienWalter Claassen · First published 1904Open the Tome
Progress in Plant Nutrition : Plenary Lectures of the XIV International Plant Nutrition ColloquiumWalter Horst, A. Bürkert, N. Claassen · First published 2013Open the Tome
The Hiphʹil verbal theme in biblical HebrewWalter Theophilus Claassen · First published 1971Open the Tome
Die rol van /s/ (tsade) in die noordwes semitiese taleWalter Theophilus Claassen · First published 1970Open the Tome
Veterinärrecht ...Ilse Claassen, Erhard Rahmig, Walter Rudert, Germany (East) · First published 1959Open the Tome
Plecoptera nymphs of America (north of MexicoPeter Walter Claassen · First published 1931Open the Tome
Plecoptera nymphs of America (north of Mexico)Peter Walter Claassen · First published 1931Open the Tome
Laboratory directions in general biology prepared to accompany text book on General biologyPeter Walter Claassen · First published 1922Open the Tome
The larva of a Chironomid (Trissocladius equitans n. sp.) which is parasitic upon a May-fly nymph (Rithrogena sp.)Claassen, Peter Walter, 1886-1937, University of Kansas · First published 1922Open the Tome
Die Agrarpolitik Zürichs im Zeitalter der ReformationWalter Claassen · First published 1899Open the Tome
Schweizer bauernpolitik im zeitalter Ulrich ZwinglisWalter Claassen · First published 1899Open the Tome
