Catholic missionary Father A. Erdland, from the Sacred Heart Jesu Society based in Hiltrup, Germany, lived on Jaluit from around 1904 to <answer>1914</answer>. He was very interested in the islands and conducted considerable research on the Marshallese culture and language. He published a 376-page monograph on the islands in <answer>1914</answer>. Father H. Linckens, another missionary from the Sacred Heart of Jesu Society visited the Marshall Islands in 1904 and 1911 for several weeks. He published a small work in 1912 about the Catholic mission activities and the people of the Marshall Islands.
In what year did Father Erdland leave the Marshall Islands?
1914