And now I'm :

Dictionnaire Topographique de La France. 2017. Reprint, École nationale des chartes, 2018.

wherein we find versions of the 35 volumes of the Dict Topo, released under a BY-NC-ND 3.0 FR license.

Here's the running web application for the dictionary:

Sign in to participate in the conversation is a coop-run corner of the fediverse, a cooperative and transparent approach to operating a social platform. We are currently closed to new memberships while we improve our internal processes and policies, and plan to re-open to new folks when that work is complete. [9/2/2018]