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UK National Archives KB Series Coverage Report
Generated: 2026-08-14T03:40:57.775450Z
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PHASE 1 — Records per KB series (from API count):
  KB 21: 127
  KB 1: 2176
  KB 18: 2
  KB 28: 920
  KB 29: 504
  KB 36: 694
  KB 39: 57
  KB 168: 264

Total records collected (pre-dedup):  5759
Unique records (after dedup):          4825

Digitization Status Breakdown:
  catalogue_metadata_only: 4825

Likely relevant records:    2317
Records with digital URL:   0

Date Period Breakdown (research periods):

API Call Statistics:
  Total API calls made: 49
  Successful calls: 49
  Failed calls: 0
  Total time elapsed: 68.4 seconds (1.1 minutes)

Output Files:
  tna_kb_archive/metadata/kb_search_manifest.csv
  tna_kb_archive/metadata/kb_results.csv
  tna_kb_archive/metadata/coverage_report.txt
  Raw JSON files: tna_kb_archive/raw_json (49 files)
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