Ian Ference's 3D blog on all things stereographic, from classic scopes & stereoviews to historical context & modern analysis
A random search on a French merchants' website led me to discover the fact that Vistascreen made views marketed to the French market - and there are almost certainly more.
With most sets of stereographic images, you can get a sense of what's going on from the captions, action, provenance - all sorts of things. Here, I'm more or less at a loss - but the stereoviews are pretty darn cool!