911 x 911: The Official Anniversary Book Celebrating 50 Years of the Porsche 911 (English, Spanish, French, German, Russian and Chinese Edition): Dieter Landenberger, The Porsche Museum: 9781935007234: Amazon.com: Books
1991 Porsche 911 Turbo for sale on BaT Auctions - sold for $196,000 on September 18, 2022 (Lot #84,752) | Bring a Trailer
2020 Porsche 911 Carrera 4S Cabriolet Review: Options to Get - Bloomberg
Porsche: The Classic Era: Adler, Dennis: 9780760351901: Amazon.com: Books