This primary source comes from the Records of District Courts of the United States.
National Archives Identifier:
6283521Full Citation: Maria von Trapp Petition for Naturalization; 5/26/1948; Records of District Courts of the United States, Record Group 121. [Online Version, https://www.docsteach.org/documents/document/maria-von-trapp-petition-for-naturalization, April 24, 2024]