Building site for the construction of the Willemsspoort tunnel at Botersloot, Hoogstraat, Westnieuwland and Overblaak. Year: 1989.
Alex (Lex) (A.) de Herder
<a rel="nofollow" class="external text" href="https://hdl.handle.net/21.12133/1C174C543BC44695B12346AE43F32787">Stadsarchief Rotterdam</a>