In the Spanish preface, Fra Marino records his wish that the Gospel of Barnabas should be printed, and the only place in Europe where that would have been possible in the late 16th century would have been Istanbul.
Dalam pengantar berbahasa Spanyol, Fra Marino mencatat keinginannya agar Injil Barnabas dicetak, dan satu-satunya tempat di Eropa yang memungkinkannya pada akhir abad ke-16 adalah Istanbul.