This most complicated of all periodicals was first published as the Bulletin scientifique [A], ten volumes of which were issued from 1836 to 1842. It was then divided into two parts, the Bulletin de la classe historico‐philologique [B] and the Bulletin de la classe physico‐mathématique [C];...

This attempt to prick Colossus demands an apology and an explanation. The main suggestion outlined below has long revolved in my mind, but I would certainly never have had the temerity to set it down in black and white but for the encouragement received in the Library of Congress itself. During...

This may at first sight seem to be a subject of somewhat tepid interest, and so indeed it can be if approached in a conventional spirit. Yet in truth there can be few questions of more fundamental importance. Knowledge, research, discovery, and indeed our daily life, are all based on that...

I am personally convinced that in due course a European union catalogue will come into being—and indeed I believe that the matter is now again under discussion. It may therefore be useful (or at least historically interesting) to give some account of the abortive and almost wholly unknown...