About the author: John Marvin Dean (October 14, 1875 — November 10, 1935), Protestant pastor and missionary, author of books and articles on various religious-related topics. Born in Cobleskill, Shoharie, New York; died in Roanoke, Virginia.
About the diary: Taken from The cross of Christ in Bolo-land: A Record of Missionary Effort in the Philippines, Fleming H. Revell Company (Publishers of Evangelical Literature), Chicago, New York & Toronto, 1902. Referred to in the book as the author’s notebook, the entries included as diary entries are what have been reproduced in The Philippine Diary Project.