WILLIAMS PARTS CATALOGS: 1969 Parts Catalog; 1969-70 VOL.1
                         1974-75 VOL.1
SCORPION-GORGAR-BLACKOUT-ALIEN POKER parts supplement (Oct., 1981)
CYCLONE (MARCH, 1988) PARTS INFORMATION MANUAL
HYPERBALL GAME SETUP-MANUAL AMENDMENT
(AMD 509/1)- DOCS - TEST GAME REPORTS - PARTS SUPPLEMENT