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Releases by Peter Walter Claassen

Cover for Peter Walter Claassen · Plecoptera Nymphs of America (north of Mexico (Paperback Book) (2021)
Paperback Book
Plecoptera Nymphs of America (no...
Peter Walter Claassen
Cover for Peter Walter Claassen · A Monograph of the Plecoptera or Stoneflies of America North of Mexico (Paperback Book) (2018)
Paperback Book
A Monograph of the Plecoptera or...
Peter Walter Claassen
Cover for Peter Walter Claassen · The Grasshoppers of Kansas Part 1. the Melanopli of Kansas (Paperback Book) (2015)
Paperback Book
The Grasshoppers of Kansas Part ...
Peter Walter Claassen