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DB / Metadata Management Program (MMP): Fundamentals of the NLM® Classification

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Early Printed Books (WZ 230-270)

  • Includes works published before 1801 and Americana (i.e., early imprints from North, South, and Central America and the Caribbean Islands)
  • Arranged alphabetically by author under the classification number for the period during which they were printed
  • These numbers are used only for original publications. Reprints and translations of pre-1801 works are classified in WZ 290 292, and modern criticism of early works in WZ 294


Last Reviewed: April 16, 2021