I lived in a small town in the deep south during the 80s and had no problem buying anything D&D, including the Monster Manual, Deities & Demigods, Fiend Folio,

I lived in a small town in the deep south during the 80s and had no problem buying anything D&D, including the Monster Manual, Deities & Demigods, Fiend Folio, and the variations. I don't doubt there were some communities where such things were restricted, either through pressure on the mom and pop stores or because of social pressure killing demand, but in general the panic over the D&D panic was as overblown as the D&D panic itself. But it was incredible free advertising for D&D.