per 19 December 2014 article in National Post http://nationalpost.com/news/canada/margaret-trudeau-fondly-remembers-1976-trip-to-cuba-and-the-charming-dictator-who-cuddled-her-baby
Margaret Trudeau Quotes
1976 song about Blanca Rodríguez (wife of Carlos Andrés Pérez) according to 4 Feb 1976 New York Times article http://www.nytimes.com/1976/02/04/archives/mrs-trudeau-replies-on-radio-to-critics-of-tour.html