This image is from "# HISTORY /// Chrono-Cartography of the 1871 Paris Commune," which makes it available under a Creative Commons Attribution-NonCommerical-ShareAlike 4.0 International license (i.e. use it in any way you want providing that you’re not making money out of it and that you’re referring to the original map’s credits). The original map is a 28mb .pdf. Map showing the French assault on Paris, 1871