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A persistent rumour circulated throughout its existence , and reached wider circulation in the 1920s , that some of its membership were ' confirmed bachelors ' - then both illegal and publicly frowned upon – and it soon became superseded by Buck 's as the young man 's club in London , being forced to close shortly thereafter .
 Buck 's
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Buck 's