The bulk of this collection consists of genealogical research materials about George Vladar's maternal side, the Jewish families Biheller from Cieszyn (Teschen), Poland and Perl/ Tugenthat from Bielsko-Biala (Poland), and on his paternal side, the non-Jewish Hungarian family Vladar and the non- Jewish Austrian Family Bittermann (various spellings) and Muehler (various spellings). The collection consists of numerous family trees, birth and death certificates, school reports, and a correspondence of Vladar's Grandparents Joseph Biheller and Marie, née Perl.

This highly diverse collection contains material of various sources, times, and genres, from Germany, Austria, Eastern Europe and Argentina. The documents included range from correspondence, such as letters, postcards or telegrams, to emigration documents, such as ship lists and permits, to vital records, such as family registers, various certificates and awards, to a number of small publications, such as brochures, programs and clippings. There is also a number of Jewish devotionals, including Yahrzeit calendars, religious graphics and prayer manuals, as well as some ephemera.

This collection contains personal and official papers of the Blau, Mahl, and Goldberg families of Vienna, Austria. The bulk of the records stems from the 1930s through the 1940s and relates to the immediate family of Lucie Blau (1932-2010) and to her aunt Etta Mahl née Stern and uncle Max Mahl. Materials include correspondence, vital records, immigration records, education and employment records, business records, arrangements for funerals and gravestones, and a few photographs and slides. Limited documentation of restitution efforts is also included.

The Renate Bridenthal Family Collection primarily documents the lives and especially the emigration experiences of Renate Bridenthal's parents, Elchunon and Irene Rubin. Papers of Irene Rubin are prominent in the collection and include restitution correspondence and her writing. Documents related to Renate and her brother Harribald's early lives and emigration is are also present. The collection consists of extensive personal and restitution correspondence, official documents, newspaper clippings regarding Irene Rubin's death, drafts of her writing, and three albums.