Library of Congress Authorities online (2002-) http://id.loc.gov/authorities/names/no2017094342
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Maatschappij der Nederlandse Letterkunde te Leiden WWW site, July 13, 2007: About MdNL page (The MdNL has working groups in specialized areas); Werkgroep de Moderne Tijd page (Werkgroep de Moderne Tijd was founded in 1976 as Werkgroep de Negentiende Eeuw and in 2017 expanded its activities to the broader era of the late eighteenth and early twentieth centuries) |