Studies In Kansas InsectsUniversity of Kansas. Dept. of Entomolog, Peter Walter Claassen, Raymond Hill Beamer · First published 2018Open the Tome
Landmark IP decisions of the European Court of Justice (2008-2013)Maria Beijer, Peter Claassen, Jeff Keustermans, Court of Justice (Court of Justice of the European Union) · First published 2014Open the Tome
Der beherrschende Einfluss (Control) im Gesellschafts- und Wirtschaftsrecht der Bundesrepublik Deutschland und der Vereinigten Staaten von AmerikaMax-Peter Claassen · First published 1984Open the Tome
Plecoptera nymphs of America (north of MexicoPeter Walter Claassen · First published 1931Open the Tome
De kristalstructuur van rood mecuri-jodide, onderzoekingen over verstrooiende vermogens, in het bijzonder van zuurstofAnthony Frederik Peter Johannes Claassen · First published 1926Open the Tome
De kristalstructuur van rood mercuri-jodide onderzoekingen over verstrooiende vermogensAnthony Frederik Peter Johannes Claassen · First published 1926Open the Tome
A Monograph of the Plecoptera or Stoneflies of America North of MexicoPeter Walter Claassen, Needham, James G. · First published 1925Open 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
