peoplepill id: hermann-august-hagen
HAH
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The works
Books
Sources:
Openlibrary
1861
Synopsis of the neuroptera of North America
Authors:
1862
Bibliotheca entomologica
Authors:
1879
Correspondence
Authors:
1870
Monograph of the North American Astacidae
Authors:
1840
Synonymia libellularum europaearum
Authors:
Hermann August Hagen