Mangus, Arthur Raymond 1900-1992 Mangus, A. R. (Arthur Raymond) 18135 2024-08-07 16:16:39 2022-06-16 13:36:59 naf author https://fraser.stlouisfed.org/author/arthur-raymond-mangus-1900-1992 https://fraser.stlouisfed.org/api/author/18135