This template produces a Wikipedia hatnote directing the user to where libraries may shelve books on the subject.
{{bookclass|621.3}}
Function edit
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 edit
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
| Parameter | Description | Type | Status | |
|---|---|---|---|---|
| Dewey | dewey 1 | Dewey class number
| String | suggested |
| LCC | lcc | LCC class number
| String | optional |
| UDC | udc | UDC class number
| String | optional |