Template:BLP one source

This biography of a living person relies largely or entirely on a single source. You can help by adding reliable sources to this article. Contentious material about living people that is unsourced or poorly sourced must be removed immediately. (September 2025) (Learn how and when to remove this message)

Template documentation[view] [edit] [history] [purge]

This template is used on approximately 8,800 pages and changes may be widely noticed. Test changes in the template's /sandbox or /testcases subpages, or in your own user subpage. Consider discussing changes on the talk page before implementing them.

This template should be used on pages about a living person that only rely on one source.

Usage

This template should be placed after any hatnote templates (e.g. {{About}}, {{Distinguish}}), but before the actual article content. Any pages that use this template are placed into a subcategory of Category:BLP articles lacking sources, depending on what date the template was added to the pages. They are also added to Category:All BLP articles lacking sources.

How to use

{{BLP one source}}
{{BLP one source|date=September 2025}}

v t e Citation and verifiability article maintenance templates
Sourcing	{{Circular}} {{Dubious}} {{Excessive citations}} {{Further reading cleanup}} {{Independent sources}} {{More citations needed}} {{More citations needed section}} {{More footnotes needed}} {{No footnotes}} {{No reliable sources}} {{No significant coverage}} {{One source}} {{One source section}} {{Only primary sources}} {{NRIS only}} {{Primary sources}} {{Primary sources section}} {{Religious text primary}} {{Self-published}} {{Self-reference cleanup}} {{Self-sourcing examples}} {{Refexample section}} {{Sources exist}} {{Text-source}} {{Unreferenced}} {{Unreferenced section}} {{Unreferenced category}} {{Unreliable sources}} {{Unreliable sources section}} {{User-generated}}
BLP-specific	{{BLP unreferenced}} {{BLP unreferenced section}} {{BLP primary sources}} {{BLP self-published}} {{BLP sources}} {{BLP sources section}} {{BLP IMDb-only refimprove}} {{BLP IMDb refimprove}} {{BLP no footnotes}} {{BLP more footnotes needed}} {{BLP one source}}
Topic specific	{{Localist}} {{Media IMDb refimprove}} {{More medical citations needed}} {{More science citations needed}} {{Neologism}} {{Science review}} {{Unreferenced law}} {{Unreferenced medical section}}
Dispute-related	{{Cite check}} {{Cite check section}} {{Content}} {{Disputed}} {{Dispute about}} {{Disputed section}} {{Disputed chem}} {{Disputed list}} {{Disputed map}} {{Expert needed}} {{Hoax}} {{Original research}} {{Original research section}} {{Speculation}} {{Speculation section}} {{Synthesis}} {{Verifiability}} {{Verify sources}}
Citation improvements	{{Citation style}} {{Citations broken}} {{Cleanup bare URLs}} {{Format footnotes}} {{Full citations needed}} {{Ibid}} {{Page numbers improve}} {{Page numbers needed}} {{Parenthetical referencing}} {{Shallow references}}
General advice	Citing sources Reliable sources Maintenance template removal Citation needed Find sources Combining sources Referencing styles

The above documentation is transcluded from Template:BLP one source/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.