- The bicentennial of Bureau des longitudes (documents to be added)
- The event of the transit of Venus on June 8, 2004 (in french)
- Archive on the observations of the transits of Venus since the XVIIth century (in preparation)
- Literature and astronomy: Victor Hugo astronomer
- Le Verrier and Delaunay: a strong hate.
Last update Monday 27 November 2017