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Two other Bibles of similar age exist , though they are less complete : Codex Vaticanus in the Vatican Library and Codex Alexandrinus , currently owned by the British Library .
 Vatican Library, British Library
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vatican Library, British Library