The evolution of indexing sequences and series has been little studied so far, although this topic presents difficulties for students. This symbolisation signified, however, an important means for operating more generally with finite and infinite series. This paper investigates the first steps during the eighteenth century and then the different…

The tasks of creation, management, and maintenance of multilingual subject authority files require significant resources, and are therefore best carried out in cooperation. Four national libraries in Europe (the Swiss National Library, la Bibliotheque de France, Die Deutsche Bibliothek, and the British Library) have worked together on a…

Describes efforts to maintain scholarly and scientific collaboration in France during Germany's occupation (1940-44). The Subgroup for Library Protection, established by the Germans, is explained; the exchange of scientific journals between Germany and France is discussed; and two indexing services for scientific literature are described, one…