Enough of this! The picture is not all black. Namur's account of dictionaries of anonyma and pseudonyma[144] contains more titles printed before 1838 than any other bibliography. There are some duplications but few outright errors. His important list of books dealing with the history of libraries and including catalogues of institutional libraries[145] is the most useful one that I know. He has ranged so widely as to cite the library catalogues of the American Philosophical Society and the Library Company of Philadelphia and (inaccurately) the Harvard College Library catalogue of 1790. Such titles rarely come to the knowledge of European bibliographers. The following section (II, 167-226, Nos. 721-2573) is an equally full review of catalogues of private libraries. As he says in a footnote at the beginning, he has made a special effort to attain completeness. I can cite no list of trade catalogues and publishers' catalogues comparable to Namur's (I, 171-193, Nos. 1283-1857). I cannot judge competently his list of printer's type facsimiles (I, 144-146, Nos. 673-768), but its extent and the variety of printers named is impressive. His list of national biobibliographical dictionaries (II, 106-122, Nos. 86-390) is far from complete, but I see in the Italian section (II, 108-110, Nos. 129-169) several unusual titles. The subject bibliographies seem less rich to me, but there are one hundred and sixteen bibliographies of medicine (II, 77-83, Nos. 1457-1573) and eight bibliographies of veterinary medicine (II, 84, Nos. 1574-1581). More examples of Namur's diligence would be wearisome and would add nothing to the picture. In spite of vexatious errors of all kinds Namur often names a title not easily found elsewhere.