These are semi-exotic cars, and all very interesting. I’m going to stick with the recommendation that I do with most people, here, and suggest that you consider the Hemmings Motor News. You’ll want to place an ad under each marque, given the types of car, I’d go with color photo ads. Hemmings may be reached at 800 227 4373. You might also consider some higher end auctions, depending upon the condition of the vehicles, the distance from any auction venues which would be suitable to these cars and your level of patience in the timeframe desired to sell.