= Catalogue raisonné of the paintings.

Herreman F. Ysbrant. Gent, Snoeck, 2004, 72p., num. (col.) ills., orig. hcl. w. mounted plate on frontcover, 4to. Sijens, D. a.o. Gerrit Benner. Leeuwarden/ Heerenveen, Fries Museum/ Museum Belvédère, 2014, 2nd ed., 159,(1)p., num. col. ills., orig. pict. boards, 4to. - AND 9 others on Dutch artists, i.a. J. LEWISON (ed.), Alice Nel. Portret van het moderne leven (The Hague, 2016, richly illustrated, orig. boards, 4to) and GERRIT BENNER (Harlingen 2005, num. col. ills., orig. cl. w. dustwr., 4to).