Official Gazette: Volume 94, Issue 50

Official Gazette: Volume 70, Issues 40-43

Public Laws Enacted by the Philippine Legislature: Volume 16

Internal Revenue Laws of the Philippine Islands in Force and Effect July 1, 1921

Official Gazette: Volume 81, Issue 16

Official Gazette: Volume 102, Issues 34-35

Official Gazette: Volume 103, Issues 30-33

Military Assistance: Defense Articles and Services : Agreement Between the United States of America and the Philippines, Effected by Exchange of Notes Signed at Manila August 23 and 30, 1979

Handbook on the Executive Departments of the Government of the Philippine Islands

Official Gazette: Volume 103, Issues 45-48

Official Gazette: Volume 83, Issues 18-27

Public Laws Enacted by the Philippine Legislature: During the Period from Sept. 1, 1900 to Nov. 14, 1935; Comprising Acts Nos. 1 to 4275, Volume 10

Official Gazette: Volume 84, Issues 10-13

Official Gazette: Issues 1-26

Official Gazette: Volume 105

Official Gazette: Volume 99, Issue 26

Official Gazette: Volume 82, Issues 5-8

Official Gazette: Volume 45

Official Gazette of the Japanese Military Administration of the Philippines: Volume 2

Translation of the Mining Law and Regulations in Force in the Philippines