*[http://os9projects.com/CD_Archive/TUTORIAL/REF/CARD/68000_Ref_Card.pdf 68000 - Programmer's Instant Reference Card]
*[http://goldencrystal.free.fr/M68kOpcodes-v2.3.pdf Decoding m68k opcodes]
*[http://www.easy68k.com/paulrsm/doc/dpbm68k1.htm Part 1] [http://www.easy68k.com/paulrsm/doc/dpbm68k2.htm Part 2] Design philosophy behind Motorola's MC68000]
*[https://gendev.spritesmind.net/forum/viewtopic.php?t=2925 Full list of 68k patents]
*[https://wiki.neogeodev.org/index.php?title=68k_instructions_timings 68k instructions timings]