Columbia subject headings:
Agriculture--Early works to 1800.
Crescenzi, Pietro de', approximately 1233-approximately 1320. Ruralia commoda.
Gardening--Early works to 1800.
Gardens, Medieval.
Harvard subject headings:
Princeton subject headings:
Agriculture--Early works to 1800.
Crescenzi, Pietro de', approximately 1233-approximately 1320. Ruralia commoda.
Gardening--Early works to 1800.
Gardens, Medieval.