Radio Holland on Twitter: "Per 1 May 2018 Venteville, subsidiary of Radio Holland Group, moved to the premises of Radio Holland at the Droogdokweg in Rotterdam! https://t.co/3coa5QSPYf" / Twitter
Former Radio Holland building, now with a DHG sign outside. Rotterdam Harbour Stock Photo - Alamy
Reünie Radio Holland: 'Morse verleer je nooit' - Rijnmond
Radio Holland Netherlands B.V. Rotterdam - Oozo.nl
Radio Officer
Radio Holland Celebrates Its 100th Anniversary | Yellow & Finch Publishers
Heritage - Radio Holland
File:Radio Holland Netherlands.jpg - Wikimedia Commons