For a list of the various CALLs, PEEKs and POKEs that performed common operations on the Apple II, see Peeks, Pokes, Calls And Programming Notes, Charles Turley, 15 December 1996.
Weyhrich 2001, The [Integer] BASIC, which we shipped with the first Apple II's, was never assembled — ever. There was one handwritten copy, all handwritten, all hand-assembled.. Weyhrich, Steven (12 December 2001). "History part 3: The Apple II". Retrieved 2007-09-16.
Wozniak 1977, "This mixed mode provides a 40 by 40 color graphics grid plus four lines of scrolling text at the bottom of the screen.". Wozniak, Steven (May 1977). "System Description / The Apple-II". Byte. pp. 34–43.
Bunnell, David (September 1975). "Across the Editor's Desk". Computer Notes. 1 (4). Albuquerque NM.: MITS: 2. Archived from the original on March 23, 2012.
Bunnell, David (September 1975). "Across the Editor's Desk". Computer Notes. 1 (4). Albuquerque NM.: MITS: 2. Archived from the original on March 23, 2012.
