
Original in Italian:
ho trovato nel vostro libro la conferma delle mie ultime conclusioni e gli strumenti per approfondire questo as petto della questione artistica.
In a letter to Jacques Maritain, 18 September, 1923; as quoted in: Justine Grace, 'The Spirit of Collaboration: Gino Severini, Jacques Maritain, Anton Luigi Gajoni and the Roman Mosaicists' http://artsonline.monash.edu.au/colloquy/download/colloquy_issue_twenty-two/grace.pdf, COLLOQUY text theory critique Vol 22 (2011).