{"value"=>"<p>Letter: NY, to Frédérique Petrides, [n. p.] 1939 December 13.</p> <p>Autograph letter, signed; ink</p> <p>Apology for not being able to attend F. P. concert; Ms. Brown enclosed 2 tickets to her Town Hall Concert.</p> <p>Related names and works: Petrides, Frédérique.</p>"}