is sufficient, as well as necessary, to make a pecuniary sacrifice: it is only recently that the best methods of describing documents have been authoritatively fixed; the task of recruiting competent workers—no great difficulty nowadays—would have been neither easy nor free from anxiety at an epoch when competent workers were rarer than they are now. So much for the material obstacles—want of money and want of men. A cause of another kind has not been without its influence. The functionaries charged with the administration of depositories of documents have not always displayed the zeal which they now display for making their collections accessible by means of accurate catalogues. To prepare a catalogue (in the exact and at the same time summary form which is now used) is a laborious task, a task without joy and without reward. It has often happened that such a functionary, living, in virtue of his office, in the midst of documents which he is at liberty to consult at any moment, and placed in a much more favourable position than the general public for utilising the collection without the aid of a catalogue, and making discoveries in the process, has preferred to work for himself rather than for others, and made the tedious construction of a catalogue a secondary matter compared with his personal researches.
Who are the persons that in our own day have discovered, published, and annotated the greatest number of documents? The functionaries attached to the depositories of documents. Without a doubt this circumstance has retarded the progress of the general catalogue of historical documents. The situation has been this: the persons who were the best able to dispense with catalogues were precisely the persons whose duty it