a,<span class="footnote-line" data-note="06"
                id="note-06"><em>De Bibliothecâ Vaticanâ.</em> Romæ, 1591, p. 412.
                “Characteres enim a primis illis inventoribus non ita eleganter et
                expedite, ut a nostris fieri solet, sed filo in litterarum foramen
                immisso connectebantur, sicut Venetiis id genus typos me vidisse
                memini.”</span>
            in 1591, vouches for the
            existence of similar letters (though he does not 