Prev Next Category: Magazine The Duplex Planet 1980-02-26 David Greenberger, USA Section: Mail Art Network Sent from: Brookline, MA, USA Publisher: Duplex Nursing Home, Jamaica Plain, MA Medium: Printed matter Category: Magazine Dimensions (cm): 21.7 x 14 Pages: 32 Series: no 8, no 9 Subject: david greenberger, the duplex planet