1. František a Karla Šír (opera singers) Creator: Veselý, Bohumil Publisher: Národní filmový archiv Type: video and clip Subject: Galerie osobností, People::Šír František (1863-1931), and People::Šírová Karla (1877-1962) Language: No linguistic content Description: Footage of opera singers František and Karla Šír. Rights: http://creativecommons.org/licenses/by-nc-nd/4.0/, PUB, and Creative Commons - Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)