Two archives, queried live.
Every record below comes from The Met or Smithsonian Open Access and was filtered on that archive’s own rights field before it reached this page. 24 shown for “Doctors Commons, from "Ackermann's Repository"” — 64 records examined, 1 dropped by the rights gate.
Archives queried 2026-09-04 10:47 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
Christ among the Doctors
Abraham Hondius · 1668

Doctors Commons, from "Ackermann's Repository"
Artist not stated in the record · 1808

Madonna and Child Enthroned with Two Angels
Fra Filippo Lippi · ca. 1440

Hospital, Middlesex, from "Ackermann's Repository"
Artist not stated in the record · 1808

The Crucifixion; The Last Judgment
Jan van Eyck · ca. 1436–38

House of Commons, from "Ackermann's Repository"
Artist not stated in the record · 1808

Electro–Physiologie, Figure 64
Adrien Tournachon · 1854–56, printed 1862

Common Council Chamber, Guildhall, from "Ackermann's Repository"
Artist not stated in the record · 1808

A Book Peddler
Master of the Canesso Peddler · ca. 1670–90

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1810

Doctors' Commons
Thomas Rowlandson · 1808

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1810

Saint Jerome as Scholar
El Greco (Domenikos Theotokopoulos) · ca. 1610

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1809

Saints John the Baptist and an Evangelist (Matthew?)
Bicci di Lorenzo · 1433–35

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1809

Doctor Botherum, The Montebank
Thomas Rowlandson · March 6, 1800

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1810

The Annunciation
Gerard David · 1506

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1810

The Last Communion of Saint Jerome
Botticelli (Alessandro di Mariano Filipepi) · early 1490s

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1809

Ancestor figure
Teke artist · 19th century

Page from Ackermann's "Repository of the Arts, Science etc,"
Artist not stated in the record · 1811
Where these records came from.
Two archives are wired, and only two. Each one is filtered on its own rights field — never on a title match, and never on the presence of an image file.
- The Met Collection API (Open Access)Rights field:
isPublicDomain. 29 matched · 24 examined · 1 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.12 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. 430586 matched · 40 examined · 0 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.12 shown
These figures describe the pass run at 2026-09-04 10:47 UTC, during this request. A completed pass is kept for 24 hours and replayed for an identical search, which is what keeps repeated queries inside Smithsonian’s 30-requests-per-hour allowance. A pass in which either archive failed to answer is never kept — an outage must not be replayed as though it were a finding about the catalogue.
Wikimedia Commons and the Library of Congress are deliberately not wired. Wikimedia was confirmed, on a live query, to return CC-BY material inside the same result set as genuine public domain works, and filtering it safely has not been designed yet. loc.gov was blocked by bot detection during the source evaluation, so its rights vocabulary has never been observed — and nothing here is built on a field nobody has read.
An image file is a rights claim. It never travels without its field.