One of the most voluminous collections of autographs, i.e. original manuscripts by scientists, philosophers, scholars, politicians, explorers from all parts of the world, from the Middle Ages through the 1950s.

The Collection Erik Waller Erik Waller's collection of off-prints The Waller Project The Catalogue Waller's Gems Bibliotheca Walleriana Parnassus Scientiarum Catalogue of the Italian Part, ed. by Marco Beretta and Andrea Scotti.