{"value"=>"<p>Letter: Baltimore, MD, to Frédérique Petrides, NY, 1939 February 9.</p> <p>Typewritten letter, signed in ink</p> <p>Discussion of F. P. borrowing Asger Hamerik's \"Symphonie spirituelle.\" Signed by Marjorie Morrison (Music Librarian).</p> <p>Related names and works: Petrides, Frédérique; Hamerik, Asger; Morrison, Marjorie.</p>"}