U.S. Library of Congress Country Study: El Salvador - thorough introduction to the country that includes a facts-at-a-glance, and in-depth sections on the nation's history, geography, economy, politics, and government.
Probidad - non-profit organization that promotes democracy and anticorruption efforts. Site has information and resources on alleged corruption, and hosts the anticorruption Magazine Probity. In Spanish with an introduction in English.
The Case of Four Churchwomen - summary of the December 2, 1980 murders of Ita Ford, Maura Clarke, Dorothy Kazel, and Jean Donovande. Includes court and declassified State Department Documents. From the Lawyers Committee for Human Rights.
Lanic - El Salvador - index of Salvadoran web sites. From the University of Texas.