Object's details: Die Geradflügler Deutschlands und ihre Verbreitung. Systematisches und synonymisches Verzeichnis der im Gebiete des Deutschen Reiches bisher aufgefunden Orthopteren-Arten (Dermaptera, Oothecaria, Saltatoria)
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Information on financing
The project is co-financed by the European Union from the European Regional Development Fund under the Regional Operational Program of the Silesian Voivodeship for the years 2014 - 2020 Silesian Digitarium. Digitization and access to the resources of cultural institutions of the Silesian Voivodeship.