This file is not about the text De Vermis Mysteriis as a work. This file is about one specific copy — parchment bound in a leather that has never been chemically identified, with marginalia in three hands, and a provenance chain that begins in Prague in 1893 and stops in Vienna in 1947. The text gets its own file elsewhere. This is the object with the history.

Most surviving copies of Prinn's Book of Worms sit quietly in institutional vaults. Their movements are catalogued, their handlers are insured, their existence is dull. The Prague Copy is none of those things. It moves. It accrues annotations. The people who own it stop owning it under circumstances that the next owner does not write down.

The Text in Brief

Ludwig Prinn. Flemish alchemist. Captured during the Ninth Crusade, spent several years in Syrian captivity, returned to Europe with knowledge that no Crusader should have possessed. Published De Vermis Mysteriis in Cologne, 1542. Executed by the Inquisition the following year on charges that the inquisitorial record describes only as "the practices learned in the East." The original print run was six hundred copies. Seventeen are known to survive in institutional collections. This file concerns one of the remaining ones — the copy that does not appear in any institutional catalog and never has.

The Prague Acquisition, 1893

Acquired from a Bohemian collector named Emil Raska. The exchange was documented in Raska's personal ledger, which survives in the Prague municipal archives and which Bureau researchers have photographed in full. The purchaser is listed as S͆̀R͓K̰͐̕F̢́ꙮK̀͊Ÿ̰̱ꫀM̀̉B͓̆̇P̎́̉ꙮ𓆙ꫂN̢̲. The price was forty-two thousand gulden — an absurd sum, roughly equivalent to the value of a small country estate, paid in cash on a single afternoon.

Raska did not record what the book had been doing in his collection before the sale. He did record that he was relieved to see it go, and that he had begun sleeping with the lights on three months prior to the sale and intended to continue doing so until at least the spring.

The Passage Through Collections

From 1893 to 1947, the Prague Copy passed through three documented private collections.

The first — Vienna, 1893 to 1911 — ended when the owner died under circumstances his family refused to discuss and the book was sold at a private auction held in a hotel suite with three bidders present. The second — Budapest, 1911 to 1929 — ended when the owner emigrated to the United States and pointedly did not take the book with him, arranging instead for a discreet sale to a Zurich dealer through three intermediaries. The third — Zurich to Vienna, 1929 to 1947 — ended when the Gestapo catalogued the collection in 1941, flagged the book for special handling under a designation reserved for material of "occult-practical interest," and transferred it to a Vienna bank vault where it remained for the duration of the war.

None of the three intervening owners appears to have read the book in any sustained fashion. All three appear to have known what was in it.

The Gap, 1947 to Present

In May 1947, the vault was opened by Allied investigators and the contents inventoried. De Vermis Mysteriis (Prague Copy) was on the inventory sheet, signed off by two officers and a civilian librarian. By November 1947, it was not in the vault. No official transfer is recorded. No requisition slip exists. The next inventory, taken in February 1948, simply omits the entry without explanation.

The Bureau's assessment is that the book was removed by a party with legitimate access to the vault and the specific knowledge to recognize what was in it. Several candidates exist. None have been confirmed. The most credible lead — a forwarding address tied to a private library in the Levant — went cold in 1953 when the library's owner died and his collection was dispersed at a series of auctions held under names that the Bureau has not been able to connect to any single party.

Distinguishing Features

Three hands of marginalia.

The first is believed to be Prinn's own, added to the margins of his personal working copy before the book was seized and reproduced. The script matches surviving Prinn correspondence held in Cologne. The notes are technical revisions — corrections to his own ritual instructions, made by a man who had tested the procedures and found them imperfect.

The second is in sepia ink, dated by analysis to roughly the eighteenth century, in a hand that has not been matched to any known historical figure. This commentator was experienced. The annotations correct several of Prinn's revised instructions with what appear to be field-tested refinements — the work of someone who had also tested the procedures and survived to amend them.

The third is more recent, in pencil, underlining passages related to the summoning of entities from beneath Egypt and the Levant. The third hand is what makes this copy distinctive. The entity classifications it highlights do not appear in any other surviving copy of De Vermis Mysteriis — which means either the third annotator was working from independent knowledge that confirmed Prinn's text, or the third annotator was working for one of the entities in question. The Bureau has not yet been able to determine which.