CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Double decker

Wikimedia disambiguation page

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 4, 2025
Entity authorityQ118650
Source-derived summary

A double-decker is a vehicle that has two levels for passengers or cargo, one deck above the other. Such vehicles include:

Aerial tramway

Bilevel rail car a rail passenger vehicle consisting of 2 levels

Bombardier BiLevel Coach

Bombardier MultiLevel Coach

Dome car

Double-deck aircraft

Double-deck elevator

Double Decker Express premium bi-level coach trains of Indian Railways

Double-decker bus

Double-decker tram

Superliner (railcar)

Autorack (US) or car transporter (UK), a railway vehicle for transporting cars or other road vehicles

Car carrier trailer or auto carrier, a road trailer for transporting cars or other road vehicles

Two-decker is a sailing ship with 2 decks armed with cannon.

A double-decker may also refer to:

Double Decker (chocolate bar)

Double-decker sandwich, such as a club sandwich or Dagwood sandwich, with two layers of meat and condiments sandwiched between three pieces of bread

A multi-level roadway such as those found in Chicago

A multi-level bridge

A double-decker outhouse

Double Decker, a 1984 Hong Kong film

Double Decker (2011 film), a 2011 Kannada-language film

Double Decker!

Editorial summary

The public source identifies “Double decker” as wikimedia disambiguation page. This brief keeps that definition visible, then builds a research path around Double, decker and Wikimedia.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1984, 2011—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Double, decker and Wikimedia providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Double decker”, the useful work is to connect “wikimedia disambiguation page” to the records capable of establishing context and consequence.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 4, 2025. The linked authority identifier is Q118650. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1984 and 2011.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Double decker”, its source revision and the description used here.
  2. Expand the search: follow Double decker primary sources, Double decker archive and Double research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Double decker”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Double decker” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.