Prev Next Category: Letter Letter from Greenberger 1979-06-05 David Greenberger, USA Section: Mail Art Network Sent from: Brookline, MA, USA Medium: Paper, Typed letters Category: Letter, Document, Envelope Dimensions (cm): 28 x 21.5 Pages: 4 Subject: david greenberger, tom elling, lomholt formular press, ron gilmore, polaroid