{"value"=>"<p>Letters: Darmstadt, Dresden, Zurich, to Frédérique Petrides, [n. p.], 1926 May 31, August 27, 1936 September 9, 1937 May 12, 1947 August 31, February 4, 1969, postcard [n.d.].</p> <p>7 pieces of correspondence, typed and autographed, signed.</p> <p>These letters are from F. P. brother, Gottfried Mayer, to her.</p> <p>Related names and works: Petrides, Frédérique; Mayer, Frédérique.</p>"}