links

official sites of retractable hardtop suppliers and designers
asc
bertone
cts / magna car top systems
edscha
fioravanti
georges paulin
heuliez
karmann
pininfarina
valmet
webasto

official sites of retractable hardtop car manufacturers
bmw
byd
cadillac
chery
chrysler
daihatsu
ford
holden
lexus
mazda
mercedes-benz
mitsubishi
nissan
opel
peugeot
pontiac
phantom
qvale
renault
vauxhall
volkswagen
volvo

official sites of coachbuilders
coach builders limited
fisker coachbuild
newport convertible engineering
parikh coach builders
peter oskarsson
von genaddi design

unofficial sites dedicated to retractable hardtop cars
chevrolet ssr
fiat x1/99
ford mustang restro mod
ford skyliner
mercedes-benz slk
mitsubishi 3000 gt spyder