Search for "MAME 0.139 Full ROM Set" or "MAME 0.139 Reference Set" on repositories like Archive.org Look for a single large
Version 0.139 was released in 2010. By this point, MAME had perfected emulation for: Mame V0.139 Full Arcade Set Roms Easy Install
A "full set" for v0.139 contains:
