Introduction to DECSYSTEM-20 PDF?

Seth Morabito lists+cctalk at
Mon Dec 19 11:54:07 CST 2016

I'm looking for a PDF of "Introduction to DECSYSTEM-20 Assembly
Language Programming" by Ralph E. Gorin. It used to be hosted
on PDPPlanet (, but that's been down for a while.
Does anyone else have a copy they could send me?

Best Wishes,

Seth Morabito
seth at

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