One Thousand and One Conjectures

Two filters selected which medieval Hebrew books reached us: communities preserved what they kept using, and Christian authorities confiscated what they condemned — above all the Talmud — much of which went to binders as parchment scrap, now documented as thousands of…

A Hebrew manuscript reused in a binding carries two clocks: the palaeographic date of its writing, and the date of the host volume it was bound into, often printed and precisely dated. The interval between them is the time the book survived…

Binders wanted large, stiff sheets of parchment for covers, spine-linings, and pastedowns, so the recycling channel did not sample the Hebrew book population evenly: a large-format Bible or Talmud yields useful sheets, a pocket prayer book yields little worth the knife. The…

Hebrew binding fragments turn up in places with thin or no medieval Jewish settlement — Scandinavian archives are a famous case — and the instinct is to read every find-spot as a trace of Jewish presence. But binders bought waste parchment through…

Hebrew Bibles once carried competing vocalization systems — Tiberian, Babylonian, Palestinian — until the Tiberian system won so completely that intact codices with the losing systems are rarities. But the fragment channels did not run the winner's filter: the Geniza and European…

Every synagogue needed Torah scrolls, scrolls wear out fast under liturgical use, and worn scrolls were ritually retired rather than shelved — yet scrolls carry no colophons, so the best-dated manuscript population on earth contains almost none of them, and quantitative histories…