THE END OF THE TRAIL. See

OKLAHOMA, A STATE HISTORY.

ENDING AND A BEGINNING. See

THE CIVIL WAR.

ENDOSSEOUS BLADE IMPLANTS AS ABUTMENTS FOR FIXED MANDIBULAR FULL-ARCH PROSTHESIS. Anthony J. Viscido. 17 min., sd., color and b&w, 16 mm. © Anthony J. Viscido; 28Jan72; MU8409.

THE ENEMY BEFORE US. See

THE NAME OF THE GAME.

ENERGY AND LIVING THINGS. Centron Educational Films. 11 min., sd., color, 16 mm. © Centron Corp., Inc.; 14Feb72; MP22346.

ENERGY AND STATE RELATIONSHIPS. See

INVESTIGATING RELATIONSHIPS IN MATTER.