Material documents the development of the Christian missionary movement among students in the United States and Europe, 1886-1938. Family correspondence documents the missionary work of Wilder's parents in India, 1846-1875, as well as his work in India, 1893-1902. Robert Parmelee Wilder was born in India of missionary parents in 1863. He earned the A.B. and A.M. degrees from Princeton University (1886, 1888) and the B.D. degree from UnionTheological Seminary (1891). He was a founder of the Student Volunteer Movement (1886), missionary in India (1893-1902), traveling secretary for Student Christian Movements in Europe (1903-1916), secretary of Religious Work Department, YMCA (1916-1919), General Secretary of the Student Volunteer Movement (1919-1927) and Executive Secretary of the Near East Christian Council (1927-1933). He died on March 27, 1938.