Francisco R. Demetrio (Demetrio, Francisco R.)

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  The Local Historical Sources of Northern Mindanao
  by Jose Rizal, Francisco R. Demetrio, Xavier University (Cagayan de Oro City, Philippines)
  Hardcover, Xavier University with financial assistance from the Toyota Foundation, Adam Schall von Bell, E.V. and Missionsprokur Der Oberdeutschen..., ISBN 9719094001 (971-9094-00-1)