Designers & Dragons Origins V1-2 OD&D + AD&D 1e (1974-1988)	Designers & Dragons Origins V3-4 BD&D + Mystara (1977-1996)
Cthulhu RPGs Call of Cthulhu & Other Lovecraftiana (1974-Present)	Gloranthan Periodicals Magazines + Conventions (1975-Present)