Their biography, "The Triumph of John and Betty Stam", inspired a generation of missionaries to follow in the same steps of service despite the trials of war and persecution that raged in China in the 1930s and 1940s.
Biografi mereka "The Triumph of John and Betty Stam" mengilhami generasi misionaris untuk mengikuti langkah yang sama dalam pelayanan meskipun penganiayaan dan perang berkecamuk di Tiongkok pada 1930-an dan 1940-an.