Le guide des sauterelles, grillons et criquets d'Europe occidentale (1CD audio) (French Edition)Heiko Bellmann · First published 2009Open the Tome
Kosmos- Atlas Spinnentiere Europas. Und Süßwasserkrebse, Asseln, Tausendfüßer.Heiko Bellmann · First published 2001Open the Tome
Field Guide to the Grasshoppers of Britain and EuropeHeiko Bellmann · First published 1988Open the Tome