{
  "@context": "https://schema.org",
  "@type": "Book",
  "id": "ptb-h-civics-9-10-1984-en",
  "board": "PTB-H",
  "boardName": "Punjab (historical)",
  "boardFull": "Punjab Textbook Board, Lahore — historical editions",
  "class": "9-10",
  "classSort": 9,
  "subject": "Civics",
  "medium": "English",
  "pages": 174,
  "sizeMB": 35.5,
  "textTier": "scanned",
  "producer": "?",
  "file": "ptb-historic/class-9-10/civics-9-10-1984-en.pdf",
  "year": "1984",
  "acquired": "2026-08-23",
  "sha256": "5268070a29637c6cf1ba1cf96a709203a951d301068805cdc52aa238878c9749",
  "title": null,
  "sourceUrl": null,
  "scores": {},
  "evidence": [],
  "curriculum": "Historical PTB edition",
  "edition": "see year",
  "editionNote": "Pre-2006 curriculum era; imprint year from the scan where recorded",
  "note": null,
  "_license": "CC BY 4.0 — attribute to the Textbook Evidence Project.",
  "_note": "Scores are measured properties of text, not verdicts. Read /method/ before using them.",
  "_canonical": "/books/ptb-h-civics-9-10-1984-en/"
}