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NLM Class Number

Find the fields, subfields, notes, and product availability for the NLM Class Number number (lm:) and phrase (lm=) indexes.

NLM = National Library of Medicine (U.S.)

Also called Call Number in FirstSearch.

Number (lm:)
  Connexion FirstSearch WorldShare and WorldCat Discovery
Label lm:
Search? Yes Yes Yes
Browse? Yes Yes No
Examples lm:hq1381
Fields/Subfields
  • 060 a
  • 096 a
Qualifier index? No
Notes
  • Indexes subfield a only
  • Enter all numbers and letters
  • Include periods
  • Omit all other punctuation
  • Omit spaces
  • Scan index from the Command Line Search by entering the Scan command (sca), the index label with appropriate punctuation, and the term, and then clicking Search (example: sca lm:hq1381). For more information, see Browse (scan an index).
  • Called Call Number
  • Indexes subfield a only
  • Enter all numbers and letters
  • Include periods
  • Omit all other punctuation
  • Omit spaces
  • Indexes subfield a only
  • Enter all numbers and letters
  • Include periods
  • Omit all other punctuation
  • Omit spaces
  • Contains data from your local bibliographic data records.
Phrase (lm=)
  Connexion FirstSearch WorldShare and WorldCat Discovery
Label lm=
Search? Yes Yes Yes
Browse? Yes Yes No
Examples lm=hq 1381 c524w 1976
Fields/Subfields
  • 060 a b
  • 096 a b
  • 695 b (if indicator 2 = 2)
Qualifier index? No
Notes
  • Indexes subfields a and b together
  • Enter all numbers and letters
  • Include periods
  • Omit all other punctuation
  • Omit spaces
  • Include spaces
  • In Connexion, scan index from the Command Line Search by entering the Scan command (sca), the index label with appropriate punctuation, and the term, and then clicking Search (example: sca lm=hq 1381 c524w 1976). For more information, see Browse (scan an index).
  • Contains data from your local bibliographic data records in WorldShare and WorldCat Discovery.

 

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