{"value"=>"<p>Letter: Washington, DC, to Frédérique Petrides, NY, 1937 May 4.</p> <p>Typed letter, not signed</p> <p>Gives F. P. a list of guest conductors who have appeared \"at the desks of WPA symphony orchestras.\" Written by Harry L. Hewes. With envelope.</p> <p>Related names and works: Petrides, Frédérique; Hewes, Harry L; Brico, Antonia; Sundstrom, Ebba; Woodson, Elizabeth Franklin; Hanmer, Lela; Schumann, Henrietta; Rickert, Kay; Braslavsky, Solomon; Brooklyn Symphony Orchestra; Philadelphia Civic symphony; Virginia Symphony Orchestra; Illinois symphony Orhcestra; Syracuse Symphony Orchestra; North Carolina State Orchestra; Commonwealth Women's Orchestra.</p>"}