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![](./img/clear.gif) 1.- Guelph fauna in the State of New York
Clarke, John; Ruedemann, Rudolf.
Albany: The University of the State of New York, 1903
New York State Museum. Memoir
MUSEO
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![](./img/clear.gif) 2.- Quelques graptolites nouveaux des environs de Quebec
par J.W. Laverdiere ; descripction of six new species by Rudolf Ruedemann; Ruedemann, Rudolf.
Quebec: Université Laval, 1935
C 150 - 6
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