Cyril Connolly, To-Day the Struggle, in New Statesman, 5 giugno 1937. Ristampato in Valentine Cunningham (a cura di), Spanish Front: Writers on the Civil War, 1986, p. 325.
orwellfoundation.com
(EN) George Orwell, Inside the Whale, su The Orwell Foundation. URL consultato l'8 giugno 2021.
«Incidentally this poem is one of the few decent things that have been written about the Spanish war»
