Matches in DBpedia 2014 for { ?s ?p John Charles Thomas (September 6, 1891 – December 13, 1960) was a popular American opera, operetta and concert baritone.. }
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- John_Charles_Thomas abstract "John Charles Thomas (September 6, 1891 – December 13, 1960) was a popular American opera, operetta and concert baritone.".
- John_Charles_Thomas comment "John Charles Thomas (September 6, 1891 – December 13, 1960) was a popular American opera, operetta and concert baritone.".