Almost three years ago I did a post about some Guglielmo Libri catalogues of manuscripts that were available online.
Ten days ago the 'Histoire de la Bibliophilie' blog had a long post about a much larger number of catalogues of manuscripts described and/or sold by him (although many of them do not include medieval manuscripts):
A week ago I mentioned and illustrated a pair of full-page miniatures from the earliest illuminated manuscript of the Roman de Troie, which were offered for sale, with the two shown above, by Erik von Scherling in his Rotulus catalogue, vol.IV (1937), no.1817:
In response to the post about the Ashburnham-Libri manuscripts catalogue, one reader asked me about catalogues of the other Ashburnham manuscripts. The catalogues privately printed by Ashburnham himself are still not all available online, but each is represented online by at least one copy of the relevant auction catalogue.
Barrois Catalogue of the Portion of the Famous Collection of Manuscripts, the Property of the Rt. Hon. the Earl of Ashburnham, Known as the Barrois Collection ... Which Will be Sold by Auction ... Sotheby, Wilkinson, and Hodge ... 10th day of June, 1901, and Four Following Days:
a lightly annotated copy at the Robarts Library, University of Toronto
Anyone not familiar with Count Guglielmo Bruto Icilio Timoleone Libri-Carucci dalla Sommaia (1802-1869) will have no trouble finding biographies online, including Wikipedia's. The title of his full-length biography gives a good indication of the reasons for his fame and notoriety: P. Alessandra Maccioni-Ruju and Marco Mostert, The Life and Times of Guglielmo Libri (1802-1869), Scientist, Patriot, Scholar, Journalist and Thief: A Nineteenth-Century Story (Hilversum, 1995).
The catalogue of the Libri Collection of the 4th Earl of Ashburnham is online: A Catalogue of the Manuscripts at Ashburnham Place: Comprising a Collection Formed by Professor Libri (London, [n.d.])
The auction Catalogue of the Extraordinary Collection of Splendid Manuscripts, Chiefly Upon Vellum, in Various Languages of Europe and the East, formed by M. Guglielmo Libri, the Eminent Collector, who is Obliged to Leave London in Consequence of Ill Health, and for that Reason to Dispose of his Literary Treasures ... which will be Sold by Leigh Sotheby & John Wilknson ... Monday, 28th of March, 1859, and Seven Following Days ... is available online in at least four different copies: