1966 66 June MOTOR TREND Magazine (Features: Road Test on Citroen DS-21, Oldsmobile 4-4-2, Luxury 4 WD Wagoneer, & Mustangs (pony and stallion), + Indy preview): Motor Trend: Amazon.com: Books
Project Car Hell, Suspension Hydropneumatique Edition: Citroen DS or Citroen SM?
Norev - 157.072 - Citroen DS 21 Pallas 1972 - Nero con Barca sul Tetto - Scala 1/43 : Amazon.it: Auto e Moto
Citroën DS 21 Décapotable - 1967 | Coachwork by Henri Chapro… | Flickr
1/18 Norev 1970 Citroen Break 21 Break21 (Red) Diecast Car Model - LIVECARMODEL.com