Yrigoyen, Charles Jr. (1937-2022), Ms. Coll. 426. E&R Library & Archives.
Yrigoyen, Charles Jr. (1937-2022), Ms. Coll. 426. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3631 Accessed July 27, 2025.
