Template:Authority control

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Description

Further information{{#if:| on }}: Authority control and Wikipedia:Authority control

This template links Wikipedia articles to various library (and other) catalogue systems, for biographies and other topics.

This template draws its values from Wikidata. A pencil icon gives convenient access to the "Identifiers" section of the corresponding Wikidata item.

Empty instances

If there is no information in Wikidata for the specific subject, an empty instance of this template will be dormant, meaning it will be invisible on the rendered page. Thus, using this template on a page with no authority information is harmless. An empty instance of this template stays dormant in an article, until values are added to Wikidata, when it will then display them.

Validation

The template attempts to validate digits for all values and shows an error if the check fails.

Position

See also: Wikipedia:Manual of Style/Layout

As a metadata template, the Authority control template should be placed on a new line, after the external links section and navigation templates, immediately before the categories.

Usage

{{Authority control}}

As a general guideline:

1. Insert the empty version
2. Click "Show preview" to see which sources are automatically pulled from Wikidata
3. If you know of more sources, add those sources to the article's Wikidata item, so that other language versions of Wikipedia will automatically benefit.

Suppression of identifiers

Identifiers can be selectively suppressed via the |{{SAFESUBST:#if:suppress|suppress=}} parameter. For example {{#if:P434 | {{#switch:P

 | Q | P =  (P434)
 | #default =  (QP434)
 }}

| {{#if:

 | [[d:Special:EntityPage/| ()]]
 | (no entity)
 }}

}} can be suppressed by typing:

{{Authority control |suppress=P434}}

Specifying the Wikidata item

If a page is not connected to a Wikidata item (for example, a page in draft space, user space or project space), you can specify the appropriate item to draw data from, by using the |{{SAFESUBST:#if:qid|qid=}} parameter.

{{Authority control |qid=Q49605590}}

To find the correct item, you can search the database. If there is not yet an existing item, you can create a new item.

As soon as the page is connected to a Wikidata item, this parameter will be ignored so you can remove it from the template.

Additional Wikidata items

In some cases, you might need to specify additional items to draw data from. For example,

• Bonnie and Clyde also draws data from {{#if:Q2319886

| {{#switch:Q

 | Q | P =  (Q2319886)
 | #default =  (QQ2319886)
 }}

| {{#if:

 | [[d:Special:EntityPage/| ()]]
 | (no entity)
 }}

}} and {{#if:Q3320282 | {{#switch:Q

 | Q | P =  (Q3320282)
 | #default =  (QQ3320282)
 }}

| {{#if:

 | [[d:Special:EntityPage/| ()]]
 | (no entity)
 }}

}}

• North Rona also draws data from {{#if:Q28831543

| {{#switch:Q

 | Q | P =  (Q28831543)
 | #default =  (QQ28831543)
 }}

| {{#if:

 | [[d:Special:EntityPage/| ()]]
 | (no entity)
 }}

}}

To specify additional items, you can use the |{{SAFESUBST:#if:additional|additional=}} parameter. For example: {{Authority control | additional = Q2319886, Q3320282}}

To automatically add additional links from related items, use |{{SAFESUBST:#if:additional|additional=}}auto. This is useful for married couples, musical groups, etc.

Whitelists

A number of whitelists are configured, which allow only a limited selection of identifiers to be displayed. These can be used with the |{{SAFESUBST:#if:show|show=}} parameter. For example, including |{{SAFESUBST:#if:show|show=}}arts will only show identifiers which have identified as particularly relevant to the arts.

Multiple whitelists may be used. For example: {{Authority control|show=arts,SV}} adds identifiers from the arts and Sweden whitelists.

|{{SAFESUBST:#if:country|country=}} can be used as an alias for |{{SAFESUBST:#if:show|show=}} (but they can't both be used simultaneously).

{{{width}}}|auto}}; float: left; clear: left	{{{width}}}|auto}}; float: right; clear: right	{{{width}}}|auto}}; clear: none	centre = margin:0.2em auto; width:{{safesubst:#if:|{{{width}}}|auto}}; clear: both	{{{width}}}|100%}}; clear: both }}; padding: 1px;"
left|{{safesubst:#if:|center|left}}}}; {{safesubst:#if:|color: {{{fc}}};|}}" | List of whitelists

{{safesubst:#ifeq:Template||}}

Examples

Victor Hugo

{{Authority control |qid=Q535}}

Alexander Graham Bell

{{Authority control |qid=Q34286}}

Harry Forbes Witherby

{{Authority control |qid=Q352545}}

Carl Larsson

{{Authority control (arts) |country=SV |qid=Q187310}}

Rendering

The template is split into a number of sections, including "International", "National", "Academics", "Artists" etc. The template usually displays as a navbox with a header:

If all identifiers are in the same section, |{{SAFESUBST:#if:state|state=}} is ignored, and the template displays on one line.

If you use additional qids to draw data from additional wikidata items, then a new section will be added for each. In this case, the identifiers will not be separated further:

This template's initial visibility currently defaults to {{#switch:|collapsed=collapsed|expanded=expanded|autocollapse|#default=autocollapse}}, meaning that {{#switch:|collapsed=it is hidden apart from its title bar.|expanded=it is fully visible.|autocollapse|#default=if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.}}

To change this template's initial visibility, the |{{SAFESUBST:#if:state|state=}} parameter may be used:

{{#ifeq:|collapsed||
• <syntaxhighlight lang="wikitext" inline="1">{{{{{{#if:| |BASE}}PAGENAME}}|state=collapsed}}</syntaxhighlight> will show the template collapsed, i.e. hidden apart from its title bar.
}} {{#ifeq:|expanded||
• <syntaxhighlight lang="wikitext" inline="1">{{{{{{#if: | |BASE}}PAGENAME}}|state=expanded}}</syntaxhighlight> will show the template expanded, i.e. fully visible.
}} {{#ifeq:autocollapse|autocollapse||
• <syntaxhighlight lang="wikitext" inline="1">{{{{{{#if: | |BASE}}PAGENAME}}|state=autocollapse}}</syntaxhighlight> will show the template autocollapsed, i.e. if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar, but if not, it is fully visible.
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Microformat

The template wraps each UID value with the HTML markup: <span class="uid">...</span>, which enables the first-found value to be included in an hCard microformat.

List of identifiers

{{#ifexpr:0|, see All articles with faulty authority control information.}}

The template gets its information from the following properties on Wikidata:

Additional tracking categories

This template may add the following categories:

• {{#if:|{{{name}}}|Category:Pages with authority control identifiers needing attention}} (0) – category to track errors
  • {{#if:|{{{name}}}|Category:Pages using authority control with parameters}} (0) – identifiers should be migrated to Wikidata
  • {{#if:|{{{name}}}|Category:All articles with faulty authority control information}} (0) – faulty identifiers to fix

Error reports

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See also

• Wikipedia:Authority control – editor information
• Help:Authority control – reader help
• Template:Taxonbar – authority control style template for taxonomic databases
• Template:Sports links – authority control style template for sports articles
• User:UBX/Authority control – for self-identifying as an AC user
• Commons:Template:Authority control – template on Commons

TemplateData

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TemplateData for Authority control

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}} | other | #default = }}

A template to link Wikipedia articles to various library catalogue systems

Template parameters

This template has custom formatting.

Parameter		Description	Type	Status
whitelist	show country	Whitelist (e.g. arts) or country code (e.g. ES) or property (e.g. P214) to show. If not specified, then every supported identifier will be displayed. Suggested values arts Example ES	String	optional
suppress	suppress	Comma-separated list of identifers to suppress from the template, in the form of the Wikidata property ID (e.g. P227), Example P227, P1986	String	optional
qid	qid	Wikidata QID number for an article not yet connected to a Wikidata item. Once the article is connected to a Wikidata item, then this parameter will be ignored. Example Q49605590	String	optional
additional	additional	Comma-seprated list of additional Wikidata QIDs of items to display data for. Each should be related and covered by the article. Example Q28831543	String	optional
state	state	Initial state of the template Suggested values autocollapse expanded collapsed Default autocollapse	String	optional

{{#if:{{#ifeq:Authori|sandbox|1}}{{#ifeq:Authority control|doc|1}}||

}}

The above documentation is transcluded from Template:Authority control/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.