← All filmsIsaac Films archiveSwear By God1921 · 60 minutesDirected by Dan DuyuSynopsisSwear By God is a film released in 1921 from China directed by Dan Duyu 60 minutes long. Explore its connections through people, places, genres, moods and related cinema.Dan DuyuChinaSave filmPersistent connectionsSimilar filmsFamily's Heirloom1926Family's Heirloom1926 · 90 minDan Duyu