Philip Arfstrom. Interview, 1978., 2828-2B4-S2807, Box: 1 S2802-S2803-S2804-S2805-S2806-S2807-S2808-S2813-S2827-S2828-S2829-S2830-S2869-S3259-S3274. Southwest Minnesota Historical Center. https://smsu.libraryhost.com/repositories/3/resources/549 Accessed July 18, 2026.