Dr. Robert Spitzer 1926 – 2015 https://www.legacy.com/obituaries/sfgate/obituary.aspx?pid=177197682
U.S.-Waged “Low Intensity” Warfare in Nicaragua http://www.brianwillson.com/u-s-waged-low-intensity-warfare-in-nicaragua/
Dr. Robert Spitzer 1926 – 2015 https://www.legacy.com/obituaries/sfgate/obituary.aspx?pid=177197682
U.S.-Waged “Low Intensity” Warfare in Nicaragua http://www.brianwillson.com/u-s-waged-low-intensity-warfare-in-nicaragua/