See "Name of Ressources" section in text.csv (AGCEEP/Config):
CLO;Cloth;;;;;;;;;;
GOLD;Bullion & Gems;;;;;;;;;;
COT;Cotton;;;;;;;;;;
FISH;Fish;;;;;;;;;;
FURS;Furs;;;;;;;;;;
GRAI;Grain;;;;;;;;;;
IVOR;Ivory;;;;;;;;;;
METAL;Iron;;;;;;;;;;
MINERAL;Copper;;;;;;;;;;
ORIENT;Luxuries;;;;;;;;;;
NAVS;Naval Supplies;;;;;;;;;;
SALT;Salt;;;;;;;;;;
SLAV;Slaves;;;;;;;;;;
SPIC;Spices;;;;;;;;;;
SUG;Sugar;;;;;;;;;;
TOB;Tobacco;;;;;;;;;;
WINE;Wine;;;;;;;;;;
WOOL;Wool;;;;;;;;;;
TEA;Tea;;;;;;;;;;
COFFEE;Coffee;;;;;;;;;;
NOTHING;Nothing;;;;;;;;;;
For difference with vanilla, see goods.csv in AGCEEP/Db and resource.bmp in AGCEEP/Gfx/Interface/PIW/Buildings.