What's where in the Apple : a complete guide to the Apple computer
William F Luebbert
Amherst, N.H. : MICRO INK, 1982.
What's Where in the Apple? An Atlas to the Apple Computer (Spiral-bound)
by William F. Luebbert (Author)
Atlas and Gazeteer to the Apple II computer. Contents: Introduction; User's Manual; Overview of Apple Memory Organization; Examples; Using a Monitor Routine from Applesoft; Creating a Machine Language Program from Applesoft; Checking Software Locations from within a Program; Useful Tables; Zero Page Usage; Apple ASCII Representations; Apple Text Screen Organization; Atlas: Numerical Listing of Apple Locations; Gazeteer: Alphabetical Listing of Apple Locations.