Maharishi Mahesh Yogi (Concertgebouw, Amsterdam, the Netherlands, 1967)
Ben Merk (ANEFO)
1967-09-01
<a rel="nofollow" class="external text" href="http://proxy.handle.net/10648/ab2583c6-d0b4-102d-bcf8-003048976d84">GaHetNa (Nationaal Archief NL)</a> 920-6593