Herman De Vries (signed) - The music of sound 3 - Slowscan 2018

humanae vitae : sound recordings at traffic (1964)
natura artis magistra I
natura artis magistra II : sound recordings with parabola dish receiver at the edge of the forest (1962)

With a belly-band, showing colour photographies of this dutch artist, now living in Germany. 

Slowscan vol.39 - Limited edition of 18 - numbered and signed - 31.5x31.5cm