OPINION — AG — THE OKLAHOMA HISTORICAL SOCIETY MUST COMPLY WITH ART. VII OF ITS EXISTING CONSTITUTION IN ADOPTING A NEW CONSTITUTION. (OPEN MEETING, MEETING TO CHANGE OR MODIFIED THE CONSTITUTION, RULES AND REGULATION) CITE: 53 O.S. 1971 18 [53-18], 75 O.S. 1971 301 [75-301] (ADMINISTRATIVE RULES AND REGULATIONS), 75 O.S. 1971 251 [75-251], OPINION NO. 75-244 (FLOYD W. TAYLOR)