Olney, Richard (1999). «1951-1956. París». Reflexions(en inglés). Brick Tower Press. ISBN1-883283-20-5. Consultado el 2 de abril de 2017. «Bill Aalto, a disheveled, sentimental giant, who had lost a forearm in the Spanish Civil War and always looked as if he had just surfaced from a brawl, was a gentle poet who suffered cruelly from the infidelity of his muse. Volcanic eruptions after a drink too many had earned him the nickname, "Big Etna," which wicked friends promptly transformed into "Big Edna," and often simplified to plain "Edna" to fuel his rage. Bill was a loyal drinking companion.»
William Schuyler. «"Dining Out with Doug and Frank"»(en inglés). Consultado el 2 de abril de 2017. «Bill Aalto, my first lover (five tumultuous years found Bill chasing me around the kitchen table – in Wystan Auden's – house in Forio d'Ischia – with a carving knife. He was serious and so was I and so I wouldn't go when he wanted to see me when he was dying of leukemia. Am I sorry? Not really. The fear had gone too deep.»
