Any other sources besides Eberron labeled products?Patryn of Elvenshae said:There's a set of feats in the Eberron Campaign Setting which allows a monk to treat a longsword, a double-bladed sword, or a longspear as a monk weapon respectively.
Twowolves said:Sword and Sorcery Studios "Guide to Paladins and Monks" (from the now defunct Scarred Lands series) had a longsword weilding monk prestige class. I think it was called the Brother of Steel or some such.