SECOND BOOK OF THE VESPA ALL 125cc & 150cc MODELS 1959-1963 ALL GS150 MODELS VSI-VS5 1955-1963: Thorpe, J, Clymer, Floyd, Velocepress: 9781588501226: Amazon.com: Books
Piaggio Vespa 150 GL: Mid-century design at it's best | OPUMO Magazine | Piaggio vespa, Vespa 150, Piaggio