Columbia subject headings:
Architecture, Domestic--Italy.
Architecture, Roman--Italy.
Pliny, the Younger.
Harvard subject headings:
Architecture, Domestic--Italy
Architecture, Roman.
Laurentine Villa (Laurentum)
Pliny, the Younger--Homes and haunts.
Pliny, the Younger. Correspondence. Selections.
Villa of Pliny the Younger (San Giustino, Italy)
Princeton subject headings:
Architecture, Domestic--Italy.
Architecture, Roman.
Pliny, the Younger