MHK/slidesMHK/EktachromesMHK/Illustrated BooksARC/Archive Erfmann, FerdinandARC/Archive Kat, Otto B. deARC/Archive Espinasse, Vicki de l'ARC/Archive Luijn, Dick vanARC/Archive Thienen, F.W.S vanMHK/The Netherlands/Artist's Portraits/Groups: FBUI/Germany - Austria 1/Paintings - Temporary ClassificationPDO/Collectors and art professionalsARC/Archive Loos-Haaxman, Jeanne deMHK/Belgium/Paintings and Drawings/Political illustrationsARC/Archive Loenen Martinet, Jan vanMHK/Belgium/Prints/Large FormatsMHK/The Netherlands/Artist's Portraits/Groups: GARC/Archive Gelder, H.E. vanARC/Archive Gerrits, GerARC/Archive Slagter, JanARC/Archive Gidding, JaapARC/Collection Gijswijt, Agnieta CorneliaARC/Archive Gispen, Willem HendrikARC/Archive Baart de la FailleARC/Archive Bonger van der Borch van Verwolde, F. BaronessARC/Archive Gelder, J.G. vanBUI/France 3/Paintings - Temporary ClassificationARC/Collection Góth, SárikaARC/Archive Gouwe, HermanARC/Archive RegnaultARC/Archive Graafland, RobertBD/RKD/0938 - BUI/Paintings and Drawings/United Kingdom 2MHK/The Netherlands/Artist's Portraits/Groups: HARC/Archive and Collection Allebé, AugustARC/RKD Letter CollectionBUI/France 1/Paintings - Temporary ClassificationARC/Archive Heel, Jan vanARC/Archive Heijberg, Johannes GerardusBUI/England 3/Paintings - Temporary ClassificationARC/Archive Henny, EverdineARC/Archive Citroen, Paul