Free Trade Area of the Americas (FTAA-ALCA):Official site provides news and information about the process to integrate the economies of the Western Hemisphere into a single free trade arrangement, initiated in the 1994 Summit of the Americas. [English, French, Portuguese, Spanish]
The Free Trade Area of the Americas Process: The Organization of American States gives brief background information about summit meetings organized to draw up free trade in the Western Hemisphere.
U.S. Department of Commerce: FTAA: Press releases and reports about progress, history, structure, and U.S. perspectives in inter-American trade.
United States Trade Representative: FTAA: Activities of office, reports, speeches, press releases and resources concerning this trade agreement.
Wikipedia - Free Trade Area of the Americas: Hyperlinked encyclopedia entry includes a brief history of the FTAA along with a bibliography.