Stormtroopers : a new history of Hitler's Brownshirts
"Germany's Stormtroopers engaged in a vicious siege of violence that propelled the National Socialists to power in the 1930s. Known also as the SA or Brownshirts, these "ordinary" men waged a loosely structured campaign of intimidation and savagery across the nation from the 1920s to the "Night of the Long Knives" in 1934, when Chief of Staff Ernst Röhm and many other SA leaders were assassinated ...