Project leader & contact: Dr. Esther van Gelder, Huygens Institute for the History of the Netherlands (KNAW).

Clusius Community 2.0 (transcribers, digitizers, metadata-checkers): Jeanine De Landtsheer, Koen Diemel, Florike Egmond, Esther van Gelder, Michiel van Groesen, Floor Haalboom, Egbert de Haan, Farkas Gabór Kiss, Bram Plantinga, Paul Smith, Lisanne Snippe, Ingeborg van Vugt, Tilmann Walter, Sylvia van Zanen, and all transcribers and editors from the past credited in the metadata.

Website development & technical support: Huygens ING (KNAW).

Website texts: Esther van Gelder.

Acknowledgements: We would like to thank the following institutions and persons for their collaboration or financial support: Huib Zuidervaart, Charles van de Heuvel, Ilja Nieuwland, Guido Gerritsen, Bram Buitendijk, Ramona Land (Huygens ING (KNAW)); Florike Egmond (Leiden University); Kasper van Ommen, Harm Beukers, André Bouwman (Scaliger Institute, Leiden University Libraries); Tilmann Walter (Frühneuzeitliche Ärztebriefe, Universität Würzburg), Descartes centre (Utrecht University); Hugo de Vries-fonds; Stichting Studiefonds Ketel 1.

Background: First step toward this digital edition were taken by members of the Clusius Research Project, which ran at the University of Leiden and the Scaliger Institute (Leiden University Libraries) from 2004 until 2011.