Quipayo Church, Camarines Sur by Rico Mariano. Watercolor (1977). Photo courtesy of the University of the Philippines Diliman University Collection Mapping Project, 2017-19 University of the Philippines Diliman Collections, Vol.23: Jorge B. Vargas Museum and Filipiniana Research Center (Quezon City: UPD Office for Initiatives in Culture and the Arts, 2020), 348, https://universitycollections.upd.edu.ph.