Vade Mecum at Rome, Vol. I
Binding: 7 3/8 x 5 1/8 in (187 x 130 mm)
Leaf: 7 1/8 x 5 in (181 x 127 mm)
Purchased by Pierpont Morgan in 1907
Fountain of the Acqua Vergine (after Alessandro Algardi, Ercole Ferrata [1610–1686], and the painter Gaspard Dughet [1615–1675]).