1 - Celestial mechanics. Part I |
2 - Celestial mechanics. Part II |
3 - Creation of fermions by rotating charged black holes |
4 - Greek and roman sundials |
5 - Mathematical cosmology and extragalactic astronomy |
6 - Proceedings of the Fourth Berkeley Symposium on Mathematical statistics and probability. Volume III : Astronomy, meteorology, and physics |
7 - Proceedings of the International mathematical congress held in Toronto, August 11-16, 1924. Volume II |