In Search of the Blue Agave - The history, production and cultural impact of tequila from Mexico, including background information on mezcal and pulque. Links, bibliography and industry news, buying tips and personal anecdotes. - http://www.ianchadwick.com/tequila/
Beverages of Mexico - Information on beverages native to Mexico. Includes the history of mezcal, tequila, and other beverages not well known outside of Mexico. - http://www.mexicodesconocido.com/english/cultura_y_sociedad/gastronomia/detalle.cfm?idsec=18&idsub=89&idpag=88