The Sainer Papers are an accumulation of family papers from Gerda Sainer's mother and her uncle Eric Federmann in the US. The collection includes documents on family history which were created and collected by Gerda's father Paul and uncle Erich (later Eric) for the Federmann side and her mother (Eve, later Liebert) for the Kroner side. The oldest documents in the collection date from the early 1800s and confirm the official adoption of the surnames Federmann and Kroner.
The collection also includes wartime correspondence, from Paul Federmann in Berlin and his brother Eric in the US and it covers the 1933 to the late 1940s. Eric Federmann's orrespondence with his wife to be (Alice) is also included in the collection. Some correspondence, such as Gerda Sainer's letters to her parents in 1933 -1934 is only available as photocopies.
Gerda Sainer's mother Eve Liebert and aunt Alice Kitzinger also contributed to the collection with their diaries, correspondence and official family history documents, such as birth, death and marriage certificates as well as their school reports.