Treasure · Article

Public vs Private Archives: What You Can and Cannot Access

How to find public and privately held historical collections, request access, and document what you consult.

Historical and land-access claims may reflect the original publication date.

An archive's ownership does not tell you whether every record is open. Public repositories may restrict fragile, private, or unprocessed material. Private repositories may welcome researchers by appointment. Start with the collection's catalog or finding aid, then ask its staff about the specific records you need.

Public archives

Private archives

Request access effectively

  1. Name the person, place, event, date range, or record series you are investigating.
  2. Cite the catalog entry or finding aid if you found one.
  3. Ask which records are open, whether an appointment or researcher card is required, and what copying rules apply.
  4. Record the repository, collection title, box or folder number, and item date as you work. This lets readers retrace a claim.
  5. Respect restrictions on handling, photography, and publication. Permission to view a record is not necessarily permission to publish it.

The National Archives' visit guidance is a useful model for preparing a request. For the next step, read How to Use the Library of Congress or Archival Research Methods for Treasure Hunters.

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