Found in 2 Collections and/or Records:
This collection contains the family correspondence and papers of the engineer Julian Spiegel. About half the collection consists of copies of the family's letters to Julian and Kaethe Spiegel. In addition the collection includes copies of legal and official correspondence, official documents, family trees, educational and professional papers and various other personal papers.
The Kaethe Placzek Collection contains family correspondence of Kaethe Placzek and her husband Julian Spiegel. Such correspondence includes letters sent to Kaethe by her parents while they were separated during summers, often while they attended health spas. Letters sent by Julian Spiegel are to his parents, especially during his time in World War I.