User:Martin of Sheffield/sandbox/bookclass

Libraries may file books on this topic at .

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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}}

Libraries may file books on this topic at 621.3 (Dewey) .

Function

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

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 in articles based on its TemplateData.

TemplateData for Martin of Sheffield/sandbox

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

Template parameters

Parameter		Description	Type	Status
Dewey	dewey 1	Dewey class number Example dewey=621.3	String	suggested
LCC	lcc	LCC class number Example lcc=QC501–721	String	optional
UDC	udc	UDC class number Example udc=663.12:57.06	String	optional

The above documentation is transcluded from User:Martin of Sheffield/sandbox/bookclass/doc. (edit | history)
Editors can experiment in this template's sandbox (edit | diff) and testcases (edit) pages.
Add categories to the /doc subpage. Subpages of this page.