The archive is full of letters in secret code sent to rome by papal nuncios as far back as the 14th century , experience of which allowed vatican spies to crack the coded messages sent between the savoy royal family and italian politician camillo cavour in the 19th century .

这个档案馆有许多从十四世纪起至今的大量罗马教廷大使发往罗马的密码信。其中还有19世纪的一封密码信，记录着那段允许梵蒂冈间谍打击萨沃伊王室和意大利政治家卡米洛凯沃尔的历史。