{"value"=>"<p>Letters and postcards: [v. p.], mostly to her children, Riki [Frédérique Mayer Petrides] and Jan Mayer, [v. p], dated from 1912 to 1930, with some undated correspondence.</p> <p>Autograph correspondence, signed; ink.</p> <p>Twenty items.</p> <p>Related names and works: Petrides, Frédérique; Mayer, Jan; Mayer, Riki.</p>"}