Nov 30, 1986
Cover of A Sampler

A Sampler

Apr 30, 1985
Cover of Leonardo's Lists

Leonardo's Lists

Jul 31, 1982
Cover of The Great Organ

The Great Organ

May 31, 1979
Cover of Circuits

Circuits

Apr 30, 1979
Cover of Niagar C

Niagar C

Apr 30, 1979
Cover of Silverbirchmorse

Silverbirchmorse

Mar 31, 1979
Cover of Graphic Granite

Graphic Granite

Dec 31, 1978
Cover of Gin Chap

Gin Chap

Sep 30, 1978
Cover of O Eied?

O Eied?

Sep 30, 1978
Cover of Gingle

Gingle

May 31, 1978
Cover of Meiosis

Meiosis

Dec 31, 1977
Cover of Seveso

Seveso