He is associated with the Museum Meermanno in The Hague, and is best known to the general public from his regular weekly column WoordHoek ("Word Corner") in the newspaper NRC Handelsblad.
[1] Sanders uses both his own expert knowledge and his skill in internet searching to prepare his publications.
His interests include the improvement of digital access to printed Dutch language sources, such as newspapers, books and magazines.
His 2011 pamphlet Eerste Hulp Bij e-Onderzoek ("First Aid for e-Research") (which has been reprinted) has been distributed free of charge to students by several institutes of higher learning in the Netherlands.
Sanders has asserted, in his doctoral dissertation for Radboud University Nijmegen, that several modern Christian books for children include antisemitic themes; and has said that he disapproved of their doing so.