| 其他書名 | Eighth International Convention, Student Volunteer Movement, Des Moines, Iowa, December 31, 1919 to January 4, 1920 |
| 出版 | Presbyterian Board of Publication and Sabbath-School Work, 1901 |
| URL | http://books.google.com.hk/books?id=jslgQAAACAAJ&hl=&source=gbs_api |