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User:Martin of Sheffield/sandbox/bookclass/doc

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This template produces a Wikipedia hatnote directing the user to where libraries may shelve books on the subject.

{{bookclass|621.3}}

Function

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If readers wish to follow up on a subject it will help to start looking under the appropriate classification in a library. The template currently supports:

  • Dewey – Used in 200,000 libraries in at least 135 countries.
  • UDC (Universal Decimal Classification) – Used in around 150,000 libraries in 130 countries.
  • LCC (Library of Congress Classification) – Used by most research and academic libraries in the U.S. also used in several other countries.

Template Data

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This is the TemplateData for this template used by TemplateWizard, VisualEditor and other tools. See a monthly parameter usage report for Template:Martin of Sheffield/sandbox/bookclass in articles based on its TemplateData.

TemplateData for Martin of Sheffield/sandbox/bookclass

Help the reader to find books in a library on this subject

Template parameters

ParameterDescriptionTypeStatus
Deweydewey 1

Dewey class number

Example
dewey=621.3
Stringsuggested
LCClcc

LCC class number

Example
lcc=QC501–721
Stringoptional
UDCudc

UDC class number

Example
udc=663.12:57.06
Stringoptional