Workshop manuals

Good afternoon, where I can find for free to download the workshop manuals of the following vehicles on the Internet: Ford F-350 truck of the 60s-Camion Dodge D-500 also of the 60s-Peugeot 604 of the 70s and Renault 14 also 70s, I was looking for the Internet and I did not find them, please if someone can guide me, thank you very much.