The Hitchhiker’s Guide to GEOS.
This version was found on the net, and cleaned up a bit.
Big thanks to Robert H Swanson for donating €35.
GEOS Tips & Tricks from Abacus, another great donation from John Watson.
GEOS Inside and Out, donated by John Watson, thanks a lot.
GEOS Bedienungshandbuch (German)
GEOS Desk Pack 1 User’s Manual
GEOS User’s Manual version 1.2.