Puerto Rico, San Juan, 20th century., Puerto Rico, San Juan, 20th century., Puerto Rico, San Juan., Puerto Rico, San Juan., San Juan (P.R.), North and Central America--United States--San Juan--Puerto Rico--San Juan
United Presbyterian Church in the U.S.A. Board of National Missions Dept. of Health, Education and Welfare Records, 1867-1986.--https://www.history.pcusa.org/collections/research-tools/guides-archival-collections/rg-3018