Gear Arena Practical Guides
U.S. Records & Archives.
A practical research hub for A-Files, USCIS FOIA, NARA, naturalization records and the family-history clues that help you find the right official record.
Last verified: September 30, 2026. Official procedures can change; use the linked agency pages when you file.
Start here
What are you trying to find?
These are separate pages because the search intent—and the repository—really is different.
Our USCIS A-File request
The full failed-request → correction → online-download story, with redacted evidence and the final 66-page response.
Read firsthand guide → FOIA workflowRecords for a deceased relative
Proof of death, identity information, the online process and the address problem we encountered.
Open guide → Decision guideUSCIS vs. NARA
Use the National Archives Catalog and current record-series rules instead of relying on one outdated birth-year cutoff.
Choose repository → File numberFind an A-number
Where old family papers and NARA catalog entries can reveal the Alien Registration Number—and what to do with cross-references.
Find the number → NaturalizationFind naturalization records
Courts, NARA, C-Files, A-Files and the key 1906, 1956 and 1991 transitions.
Open research map → A-File contentsWhat can be inside an A-File?
NARA’s examples plus what our own 66-page USCIS response looked like.
See possible contents → FOIA responseUnderstand a partial release
Released in full, released in part, withheld in full, exemptions and appeal language.
Read response guide → Research toolsAncestry & FamilySearch
How we use genealogy databases to find names, dates, locations and record clues before requesting official documents.
Use the tools →Current orientation
NARA or USCIS?
Record custody changes over time. Search the catalog first and then follow the source-specific rules.
Official / primary sources
- National Archives — Alien Files (A-Files)
- National Archives — Naturalization Records
- USCIS — Form G-639
- USCIS — Genealogy Program
We separate current source-based guidance from our own family’s experience. Agency custody, forms, fees and procedures can change.