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[[FILE:Costume designs for Samiel and Caspar in 'Der Freischütz' 1821 - NGO2p297.jpg|border|right|thumb|240px| Samiel and Caspar <ref>Costume designs by Stürmer for the roles of Samiel and Caspar in the opera [https://en.wikipedia.org/wiki/Der_Freisch%C3%BCtz Der Freischütz] by [https://en.wikipedia.org/wiki/Carl_Maria_von_Weber Carl Maria von Weber], as presented in the original 1821 production at the [https://en.wikipedia.org/wiki/Konzerthaus_Berlin Schauspielhaus Berlin], User scan of [https://en.wikipedia.org/wiki/Stanley_Sadie Stanley Sadie] (ed.) ('''1992'''). ''The New Grove Dictionary of Opera, 2''. London: [https://en.wikipedia.org/wiki/Macmillan_Publishers Macmillan]. Credit: [https://en.wikipedia.org/wiki/Kunstbibliothek_Berlin Kunstbibliothek], [https://en.wikipedia.org/wiki/Berlin_State_Museums Berlin State Museum]</ref> ]]