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"Moscow Art Players Bid Farewell to Clamorous Audience: Imperial Theater Echoes Cheers of Crowded House; 'Brothers Karamazoff' One of Numbers Presented". The New York Herald, New York Tribune. May 13, 1924. p. 10. ProQuest1113047992.
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Ruhl, Arthur (November 3, 1931). "'The Laugh Parade': Ed Wynn Presents Himself and Company at the Imperial". New York Herald Tribune. p. 16. ProQuest1114138472.
"Shubert Receivership Takes In 9 More Units". New York Herald Tribune. March 19, 1932. p. 8. ProQuest1114733870.
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"Real Estate Transactions in the City and Suburban Fields: Wolf Concern Takes Theater In West 46th St Syndicate Buys Imperial Playhouse From Trustee; 5th. Avenue Corner Sold Joins Brooklyn Firm". New York Herald Tribune. August 7, 1941. p. 29. ProQuest1266894338.
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shubert.nyc
"Imperial Theatre". Shubert Organization. Archived from the original on December 18, 2021. Retrieved December 13, 2021.
Hammerstein's Theater Interior(PDF) (Report). New York City Landmarks Preservation Commission. January 5, 1988. p. 13. Archived(PDF) from the original on January 13, 2022. Retrieved December 1, 2021.