This was a magazine published during the war by the French. The issues began in late 1916. This sites appears to have all the issues. I say appears because I haven’t checked them all. They are scanned but there are photos and plenty of information if you can ... parlez.

Here’s the link.

https://gallica.bnf.fr/ark:/12148/bpt6k6246413n/f11.item

Nowi

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Nowi, that is an outstanding online archive and one I've looked to many times over the years. Two others that pop to mind right away are the London Gazette and Flight Magazine archives which can be found at the following links:

London Gazette Archives

Flight Magazine Archives


There are of course numerous other such online archives.

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Great findings, guys! Thx.