On the occasion of the completion of the automation in the telephone network in the Netherlands on 22 May 1962. the PTT published De Verbinding. It is one of the most famous Dutch corporate photo books from the 1960s, with the collaboration of top photographers and graphic designers (Pieter Brattinga, Violette Cornelius, Eddy Posthuma de Boer, Jan Bons, Jan G. Elburg, Paul Huf, Hein de Bouter, Simon den Hartog, Herman van Eelen and Corinne Rottschäfer) led by Christiaan de Moor and Jurriaan Schrofer.
