"circa 1940-1944" . . "Martha Bernstein collection"@eng . . . . . . . "The Martha Bernstein collection includes photocopies of material originally created in the 1940s relating to the wartime experiences of the Bernstein and Heumann families. Included in the collection is correspondence from Therese Heumann, Martha Bernstein's oldest sister, letters between the Bernstein and Blakenstein families, poems written by Benjamin Blankenstein, a fourteen-page diary written by Helene Blumenfeld, and documents issued in Westerbork and Theresienstadt."@eng . "Martha Bernstein collection"@eng . . "folders\n\n2"@eng . . .