Follow us
- Inter-Antiquariaat Mefferdt & De Jonge on Facebook
- Robert-Jan de Jonge on Linkedin
- Inter-Antiquariaat Mefferdt & De Jonge on Instagram
Trade Associations
- NVvA – Dutch Association of Antiquarian Booksellers
- ILAB – International League of Antiquarian Booksellers
- KVHOK – Royal Association of Dealers in Ancient Art
- CINOA – International Art Dealer Confederation
- IFPDA – International Fine Print Dealer Association
- IMCOS – International Map Collectors Society
Archives and Museums
- Amsterdam Museum
- Rijks museum
- Amsterdam City Archives
- Rotterdam City Archives
- Regional Archive Leiden
- North Holland Archives
- Utrecht Archives
- Gelders Archive
- Regional Archive Zutphen
- Brabant Historical Information Center
- Friesland on the Map
- Historical Center Overijssel
- Special Collections University of Amsterdam (housed at the Allard Pierson Museum)
- Nationaal Archief
- Royal Library of Belgium (KBR) – collection of maps and plans
- Van Gogh Museum Library
- Collection of old maps University of Groningen
- Library of Congress – map collection
Reference Works
- Nieuw Nederlandsch Biografisch Woordenboek (published 1910-1937)
- Repertorium van Nederlandse Kaartmakers 1500 – 1900
- Art in Reproduction – 19th-century prints after Lawrence Alma-Tadema (and others)
- The Lives and Works of Dutch and Flemish Painters, Engravers and Architects from the earliest times to the present by Christaan Kramm (published in 1856)
- Caert Thresoor, Journal for the History of Cartography
Dutch History
- Rijksbureau voor Kunsthistorische Documentatie (RKD)
- The Memory of the Netherlands
- Study Group Historical Cartography
- Atlas of Mutual Heritage – maps, drawings, prints and paintings of places related to the VOC and the WIC
Platforms