The Greenland entomofaunaJens Böcher, Niels P. Kristensen, Thomas Pape, Lars Vilhelmsen · First published 2015Open the Tome
Volume 1Willy Kükenthal, Niels P. Kristensen, Andreas Schmidt-Rhaesa · First published 2013Open the Tome
Handbuch Der Zoologie/Handbook of ZoologyNiels P. Kristensen · First published 1998 · Latest edition 2004Open the Tome
Studies on the morphology and systematics of primitive Lepidoptera (Insecta)Niels P. Kristensen · First published 1984Open the Tome
