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. 10 shown for “Alexander Gardner, 17 Oct 1821 - 10 Dec 1882” — 10 records examined, 0 dropped by the rights gate.
Archives queried 2026-08-28 01:04 UTC · fetched live for this request
isPublicDomain field is true for this object.metadata_usage.access reads CC0 — a waiver, not an expired term.Smithsonian Open Access: HTTP 429 from api.si.edu. Results from the remaining archive are shown unchanged — nothing is substituted for a source that did not answer.

Gardner's Photographic Sketchbook of the War, Volume 1
Alexander Gardner · 1863

Gardner's Photographic Sketchbook of the War, Volume 2
Alexander Gardner · 1863
![[Antietam Battlefield], by Alexander Gardner](/_next/image?url=https%3A%2F%2Fimages.metmuseum.org%2FCRDImages%2Fph%2Fweb-large%2FDP274832.jpg&w=3840&q=75)
[Antietam Battlefield]
Alexander Gardner · 1862

Execution of the Conspirators
Alexander Gardner · July 7, 1865
![[Lewis Payne (Lewis Powell), Lincoln Assassination Conspirator, in Sweater, Seated and Manacled on the USS Saugus, Washington Navy Yard], by Alexander Gardner](/_next/image?url=https%3A%2F%2Fimages.metmuseum.org%2FCRDImages%2Fph%2Fweb-large%2FDP-31418-033.jpg&w=3840&q=75)
[Lewis Payne (Lewis Powell), Lincoln Assassination Conspirator, in Sweater, Seated and Manacled on the USS Saugus, Washington Navy Yard]
Alexander Gardner · April 1865

Brigadier General Gustavus A. DeRussy and Staff on Steps of Arlington House, Arlington, Virginia
Alexander Gardner · May 1864

Military Telegraphic Corps, Army of the Potomac, Berlin, October 1862
Alexander Gardner · 1862
![Lewis Powell [alias Lewis Payne], by Alexander Gardner](/_next/image?url=https%3A%2F%2Fimages.metmuseum.org%2FCRDImages%2Fph%2Fweb-large%2FDP274837.jpg&w=3840&q=75)
Lewis Powell [alias Lewis Payne]
Alexander Gardner · April 27, 1865

Chief Officer and Clerks of the Ambulance Department, 9th Army Corps, in Front of Petersburg, Virginia
Timothy H. O'Sullivan · August 1864

Table clock with calendar
Lucien Falize · 1881
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. 10 matched · 10 examined · 0 dropped by the rights gate. Kept only where isPublicDomain === true and a file URL was published.10 shown - Smithsonian Open Access API (api.si.edu)Rights field:
content.descriptiveNonRepeating.metadata_usage.access. HTTP 429 from api.si.edu. No records from this archive are shown for this query.Unavailable
These figures describe the pass run at 2026-08-28 01:04 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.