No special building was erected for the Vatican exhibit, but as the special nature of the objects required, the entire exhibit was placed in the Administration Building.
The exhibits sent by the Holy See to the Louisiana Purchase Exposition were as follows:
Copies of valuable manuscripts, codes, and documents from the Vatican
Library.
The Roman Virgil (fifth century), the miniatures of the Greek Palatine Balter (twelfth century), the famous Greek Vatican Bible (fourth century), the Vatican Virgil (fifth century), the miniatures of the Bible of the Patricins Leo (tenth century), selected pages from the Papal Letter Book (eleventh century), Papal letters regarding Greenland (ninth century), earliest Papal documents regarding America (sixteenth century), the miniatures of the Ottobonian Pontifical (fifteenth century), the Palmipsett manuscript of the (de republica) of Cicero (fifth century), the ivories of the Christian, Museum of the Vatican Library.
Many phototypical and photographical reproductions of the Borgia rooms,
Sistine Chapel, Raphael's Stanze.
Forty-one different pieces of mosaic work.
The death mask of Leo XIII.
Cast of the right hand of Leo XIII.