LCNAF Trie

Library of Congress Name Authority File Reconciliation Tools

Fast, memory-efficient name lookups using MARISA trie data structures

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MARC Reconciliation

Upload and reconcile MARC21 files with LCNAF. Add $0 subfields and generate detailed reports.

  • Binary MARC & MARCXML
  • Fields 100, 110, 700, 710
  • CSV & JSON reports
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Name Search

Search LCNAF names in real-time. Get instant matches with LCCN identifiers.

  • Real-time search
  • Fuzzy matching
  • Direct id.loc.gov links