Portrait of Dutch architect H. Berlage.
Unknown photographer ;  Amsterdam Municipal Department for the Preservation and Restoration of Historic Buildings and Sites (bMA) (copyright holder)
Attribution
Immediate image source: <a rel="nofollow" class="external text" href="https://web.archive.org/web/20060819093616/http://www.bma.amsterdam.nl/adam/pics/misc/berlage.jpg">www.bma.amsterdam.nl/adam/pics/misc/berlage.jpg</a> (link from archive.org) at <i><a rel="nofollow" class="external text" href="https://web.archive.org/web/20060630152129/http://www.bma.amsterdam.nl/adam/nl/bouwm/ber.html">Bouwmeesters: H. P. Berlage (1856-1934)</a></i> (link from archive.org) .