Origins and first inventions: from Nicholas III (1277-80) to Nicholas V (1447-55)
The Belvedere of Innocent VIII (1484-92) and the Courtyard Garden-Theater of Julius II (1503-13) and Donato Bramante
The Secret Garden of Paul III (1534-49) and the intervention of Jacopo Meleghino
La Casina of Pius IV (1559-65) and the Giardino dei Semplici
The first part of 1600: the fountains of Paul V and Johannes Faber, "gardener" extraordinaire
The seventeenth and eighteenth centuries: garden practices and botanical innovations
The nineteenth century: French occupation, English taste, and the "gardener" popes
The new image of the state-town: gardens, fountains, buildings, and monuments
Papal holidays and the villa in Castel Gandolfo.
The Vatican gardens : an architectural and horticultural history by Alberta Campitelli. ISBN 9780789210487. Published by Abbeville Press in 2009. Publication and catalogue information, links to buy online and reader comments.