CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · General Reference

Oppum

borough of Krefeld, Germany

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 revisionFeb 14, 2024
Entity authorityQ637807 ↗
Source-derived summary

Oppum is a quarter (Stadtteil) of Krefeld, a city in North Rhine-Westphalia, Germany.

Oppum probably developed as a Frankish farmer settlement. Its existence was first documented in the year 1072. Its population is 12,906 (2019) and its area is 5.37 km2 (2.07 sq mi). Together with another quarter called Linn, they form the district Oppum-Linn.

Editorial summary

The public source identifies “Oppum” as borough of Krefeld, Germany. This brief keeps that definition visible, then builds a research path around Oppum, borough and Krefeld.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1072, 2019—that can be checked directly. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Oppum, borough and Krefeld providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Oppum”, the useful work is to connect “borough of Krefeld, Germany” 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 Feb 14, 2024. The linked authority identifier is Q637807. VIAF identifies the subject as 240585330. Authority coordinates are 51.329, 6.613. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1072 and 2019.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. 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 “Oppum”, its source revision and the description used here.
  2. Expand the search: follow Oppum primary sources, Oppum archive and Oppum 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 “Oppum”?
  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 “Oppum” 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.