June 7, 1971GR 26485; (June, 1971)MARINDUQUE MINING & INDUSTRIAL CORP., ET AL. vs. EDUARDO D. ENRIQUEZ, ET AL.
June 7, 1971GR 29072; (June, 1971)PHILIPPINE COLUMBIA ENTERPRISES CO., ET AL. vs. GREGORIO T. LANTIN, ET AL.
May 31, 1971GR 20772 20852; (May, 1971)AMERICAN RUBBER CO. vs. COMMISSIONER OF INTERNAL REVENUE, ET AL.