The original document was published in: Public Record Office, Kew, England, HW 16/23, GPDD 355, distributed on June 15, 1943, radio-telegrammes 12 and 13/15, and distributed on November 11, 1943.
 L'originale del documento si trova in: Public Record Office, Kew, England, HW 16/23, decodifica GPDD 355a distribuito il 15 gennaio 1943, radio-telegrammi n. 12 e 13/15, trasmessi l'11 gennaio 1943.