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. 23 shown for “Ferdinand Kobell” — 53 records examined, 29 dropped by the rights gate.
Archives queried 2026-08-28 11:02 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.
A Battle Scene
Ferdinand Kobell · 1783
Euphorbia seguieriana Neck.
Artist not stated in the record · -- --- 188-

A Battle Scene
Ferdinand Kobell · 1783

Polygala major Jacq.
Artist not stated in the record · 27 May 1884

Landscape with Lovers
Ferdinand Kobell · 1740–99

Synthyris reniformis Benth.
Artist not stated in the record · 15 Apr 1906

Shepherds at rest
Ferdinand Kobell · late 18th century

Iberis amara L.
Artist not stated in the record · 17 May 1971

Landscape with Wayfarers
Ferdinand Kobell · 1740–99

Rumex bucephalophorus L.
Artist not stated in the record · 22 May 1971

Landscape with a Brook and Farm Buildings
Ferdinand Kobell · late 18th century

Ferdinand Rudolph Hassler
Charles Fenderich, 1805 - 1887 · 1841

A Path Bordered by Trees with two Beggars and a Couple Strolling
Ferdinand Kobell · late 18th century

Ferdinand Hayden
Frederick Gutekunst, 25 Sep 1831 - 27 Apr 1917 · c. 1880

Southern Landscape with Resting Wayfarers at a River
Ferdinand Kobell · 1760–99

Ferdinand Vandiveer Hayden
E. R. Morgan · c. 1859

A Huntsman and a Peasant Woman by the Isar River with a View of Munich
Wilhelm von Kobell · 1823

Ferdinand Vandiveer Hayden
Unidentified Artist · c. 1875

Landscape with a Bridge and a Village Church
Anonymous, Flemish, 17th century · ca. 1600 (?)

Ferdinand W. Peck
Carlo de Fornaro, 1871 - 1949 · c. 1898

Southern Landscape with a Waterfall and Goats
Ferdinand Kobell · late 18th century

Ferdinand Rudolph Hassler
Auguste Edouart, 1788 - 1861 · 1841

Mountainous Landscape with a Brook
Franz Kobell · early 19th century
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. 13 matched · 13 examined · 0 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. 4413 matched · 40 examined · 29 dropped by the rights gate. Kept only where metadata_usage.access === "CC0" and an image resource was published.11 shown
These figures describe the pass run at 2026-08-28 11:02 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.