There is one review as of this date in Amazon, which is excellent. The only thing I can add is what a great contribution this is to the history of South America and to the history of the political party systems in all countries in the world. As old as this book it resonat4es in unconfortable ways to the two parties in the United States now in 2014. ( )

Régimen militar y revolución social en Colombia (1939 - 1959)