GEOS Fontpack1 incl disk, thanks to René Pedersen.
GeoWorks, thanks to René Pedersen.
GEOS 1.2 User’s Guide, thanks to René Pedersen.
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)