Philippine Islands. Bureau of Prisons & Victorio, R. (1927). Catalogue of products of the Industrial Division, of the Bilibid Prison and general information relative to the Bureau of Prisons, including a lecture on the Prison system of the Philippine Islands delivered by Mr. Ramon Victorio, Director of Prisons, in the American Prison Congress held at Salt Lake City, August 15-22, 1924 (Revised June 1927). P.W.C. Press.

Philippine Islands. Bureau of Prisons and Ramon Victorio. Catalogue of Products of the Industrial Division, of the Bilibid Prison and General Information Relative to the Bureau of Prisons, Including a Lecture on the Prison System of the Philippine Islands Delivered by Mr. Ramon Victorio, Director of Prisons, in the American Prison Congress Held at Salt Lake City, August 15-22, 1924 (Revised June 1927). Manila: P.W.C. Press, 1927.

Philippine Islands. Bureau of Prisons and Ramon Victorio. Catalogue of Products of the Industrial Division, of the Bilibid Prison and General Information Relative to the Bureau of Prisons, Including a Lecture on the Prison System of the Philippine Islands Delivered by Mr. Ramon Victorio, Director of Prisons, in the American Prison Congress Held at Salt Lake City, August 15-22, 1924 (Revised June 1927). P.W.C. Press, 1927.