ΕπικεφαλίδαJanssen, Peter Wilhelm χρησιμοποιείται σε: Integrated Authority File (GND), Germany
ΠαραλλαγήJanssen, P. W.
Πηγές
Βρίσκεται σεLCAuth, Winkler Prins (9. Aufl.)
Peter Wilhelm Janssen (8 July 1821 - 4 November 1903), Dutch entrepreneur and philanthropist, and director of Deli Maatschappij. [Unknown authorUnknown author / Not stated. -- Public domain -- http://commons.wikimedia.org/wiki/File:Peter Wilhelm Janssen (1821-1903).jpg]