Language from Wikidata (Q1087929), property P407 "language of work or name", via the English Wikipedia article already linked on this record. The field was empty. Wikidata gave a single value, "Russian", which maps to findopera language row 4.

Librettist from Wikidata (Q1087929), property P87, via the English Wikipedia article already linked on this record. The field was empty. Wikidata sometimes lists only one of two co-librettists, so this may be incomplete rather than wrong.

Linking the English Wikipedia article for this opera. Matched on composer and title: the article "The Tale of Tsar Saltan (opera)" sits in Category:Operas by Nikolai Rimsky-Korsakov, and its title matches this record's title or englishTitle. The record had no wikipediaUrl.