Analysis of information sources in references of the Wikipedia article "Dracula (1931 English-language film)" in English language version.
Universal's original negative had already fallen into nitrate decomposition by the time the negative was rediscovered in the 1970s.
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: CS1 maint: bot: original URL status unknown (link)Universal's original negative had already fallen into nitrate decomposition by the time the negative was rediscovered in the 1970s.