The story behind Flora danicaHenning Knudsen, Statens naturhistoriske museum (Denmark) · First published 2016Open the Tome
Politikens svampebogHenning Knudsen, Jens H. Petersen · First published 1992 · Latest edition 2007Open the Tome
Labour and employment regulation in EuropeJens Lind, Herman Knudsen, Henning Jørgensen · First published 2004Open the Tome
A revision of Lepiota sect. echinatae and Amyloideae (agaricaceae) in EuropeHenning Knudsen · First published 1980Open the Tome
