Items where Subject is "383.12 Classes of mail"

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Dewey Decimal Classification (DDC) (1)
- 300 Social sciences (1)
  - 383 Postal communication (1)
    - 383.1 Mail handling (1)
      - 383.12 Classes of mail (1)
        383.122 Letters, postcards, sealed material (1)

Number of items at this level: 0.

This list was generated on Sat Jun 14 04:39:29 2025 WIB.