Stolen Books and Restitution — Library Theft, Nazi Looting, and the Recovery of Cultural Property

The rare book world has a theft problem. Libraries, archives, and private collections have been systematically looted throughout history — by conquering armies, by corrupt officials, by professional thieves, and by trusted insiders. The consequences ripple through the market for decades: stolen books circulate among unsuspecting dealers and collectors, provenance chains are broken, and the legal and ethical questions of restitution remain deeply contested.

Library Theft

The Scale of the Problem

Library theft is far more widespread than most people realize. Academic and public libraries lose material constantly to casual theft (patrons who fail to return borrowed items or remove items from reading rooms) and, more damagingly, to deliberate, targeted theft of valuable material.

The FBI’s Art Crime Team, which includes books and manuscripts in its portfolio, estimates that tens of millions of dollars in rare books and manuscripts are stolen from American libraries and archives each year. The actual figure is likely higher, because many thefts go undetected for years or decades.

Notable Cases

Stephen Blumberg (convicted 1991) — Blumberg stole approximately 23,600 rare books and manuscripts from 268 libraries across North America over a 20-year period. His collection, valued at over $5 million, was recovered from his home in Ottumwa, Iowa. Blumberg exploited libraries’ open access policies, sometimes entering through tunnels, air ducts, and windows. He was motivated by obsessive collecting rather than profit, which made his case unusual.

E. Forbes Smiley III (convicted 2006) — Smiley, a respected map dealer, stole approximately 100 rare maps from major research libraries including Yale’s Beinecke Library, Harvard’s Houghton Library, the Boston Public Library, the New York Public Library, and the British Library. He removed maps from atlases using a razor blade, then sold them through legitimate channels. Many maps were recovered from dealers and collectors who had purchased them in good faith.

Daniel Spiegelman (convicted 1998) — Spiegelman stole manuscripts, letters, and documents worth millions from Columbia University’s rare book library over several months. He was caught when he attempted to sell stolen material through Sotheby’s and was identified by a Columbia librarian who recognized the items.

Marino Massimo De Caro (convicted 2013) — De Caro, while serving as director of the Girolamini Library in Naples, systematically stole thousands of volumes from the library’s collection, including incunabula and rare manuscripts. His case exposed catastrophic failures in institutional oversight and prompted reforms in Italian library governance.

How Thieves Operate

Insider theft is the most damaging form because insiders have access, knowledge, and time. Library staff, scholars with reading room privileges, and even board members have been convicted of theft.

Common methods:

• Removing items from reading rooms (in bags, under clothing, or simply walking out with them)
• Cutting maps, plates, and illustrations from bound volumes
• Substituting later or less valuable editions for rare ones
• Exploiting inadequate security, surveillance, and inventory systems

Why Libraries Are Vulnerable

• Open access philosophy — Libraries exist to provide access to materials, which inherently creates vulnerability.
• Inadequate security — Many libraries, particularly smaller institutions, lack modern surveillance systems, exit screening, and secure reading rooms.
• Poor inventory control — Libraries with millions of items often do not have comprehensive catalogs of their holdings, making it impossible to determine what is missing.
• Staff limitations — Reduced budgets mean fewer staff to monitor reading rooms and manage collections.

Nazi-Era Looting and Restitution

The Scale of the Crime

The Nazi regime and its collaborators looted an estimated 10–15 million books from Jewish individuals, institutions, libraries, Masonic lodges, and other targeted groups across occupied Europe between 1933 and 1945. Looting agencies — including the Einsatzstab Reichsleiter Rosenberg (ERR), the Gestapo, and the SS — systematically confiscated private libraries and institutional collections.

Major Jewish collections targeted included the libraries of the Rothschild family, the Alliance Israélite Universelle, and hundreds of smaller private libraries. Entire institutional libraries — rabbinical seminaries, community centers, schools — were seized.

Post-War Recovery and Its Failures

After the war, the Allies established the Offenbach Archival Depot, where approximately 3 million looted books were processed for restitution. Many books were returned to their countries of origin (though not always to their rightful owners). An estimated 1.5 million books for which no owner could be identified were distributed to Israeli institutions, particularly the Hebrew University and the Jewish National and University Library.

However, the post-war restitution effort was incomplete. Millions of looted books were absorbed into the collections of German, Austrian, and Eastern European libraries during and after the war. Many remain there today, their looted origins unrecognized or unacknowledged.

Modern Restitution Efforts

Since the late 1990s, a growing international movement has sought to identify and return Nazi-looted books:

The Washington Principles (1998) — Endorsed by 44 countries, these non-binding principles committed signatories to identifying art and cultural property confiscated by the Nazis, making provenance information publicly available, and achieving “just and fair solutions” for identified cases.

Institutional provenance research — Major libraries worldwide have undertaken systematic examination of their collections for evidence of Nazi-era looting. Telltale signs include:

• Stamps, bookplates, or inscriptions of known looting agencies (ERR, Gestapo)
• Stamps of Jewish institutions or individuals
• Books with ownership evidence removed or obliterated
• Acquisition dates during or shortly after the war period

The Commission for Looted Art in Europe and similar organizations assist claimants and coordinate research across borders.

Restitution cases continue to surface. In recent years, institutions including the Library of Congress, the Bavarian State Library, and numerous German university libraries have returned books to the heirs of original owners.

The Legal Framework

Good Faith Purchasers

Under most common-law systems (UK, US, Canada, Australia), a thief cannot pass good title to stolen property. This means that a collector who innocently purchases a stolen book may be legally required to return it to the rightful owner without compensation.

Under some civil-law systems (France, Italy, Germany), good-faith purchasers may acquire title to stolen property after a statutory period, though the application varies and is subject to numerous exceptions, particularly for cultural property.

Statutes of Limitations

The applicability of statutes of limitations to stolen cultural property is highly contested. In the United States, the “demand and refusal” rule (applied in New York) provides that the statute of limitations does not begin to run until the rightful owner demands return and is refused — potentially allowing claims decades after the theft. Other jurisdictions apply more traditional limitation periods.

International Conventions

• UNESCO Convention on the Means of Prohibiting and Preventing the Illicit Import, Export and Transfer of Ownership of Cultural Property (1970) — Establishes international framework for cultural property protection.
• UNIDROIT Convention on Stolen or Illegally Exported Cultural Objects (1995) — Provides for the return of stolen cultural objects and imposes due diligence obligations on purchasers.

Due Diligence for Collectors and Dealers

Before Purchasing

1. Ask about provenance. Request documentation of the chain of ownership, particularly for pre-1945 material that may have European origins.
2. Check stolen property databases. The Art Loss Register and INTERPOL’s Works of Art database include stolen books and manuscripts.
3. Examine the book for provenance evidence. Look for removed stamps, bookplates, or markings that may indicate institutional ownership.
4. Be cautious with material lacking provenance. A rare book with no documented history prior to the 1940s–1950s deserves scrutiny if it originated in Europe.
5. Research the seller. Purchase from members of professional associations (ABAA, ABA, ILAB) who adhere to codes of ethics requiring due diligence.

Ethical Obligations

Beyond legal requirements, collectors and dealers have an ethical obligation to support restitution efforts. This includes:

• Cooperating with provenance researchers
• Reporting suspected stolen material to appropriate authorities
• Supporting institutional programs that identify and return looted cultural property
• Maintaining detailed records of acquisitions and their provenance

The cost of a stolen book falls not only on the original owner but on the integrity of the entire market. Every collector and dealer has an interest in a market where ownership is legitimate and provenance is transparent.