9 1 50 VOLUME 2 (THE MARVELS OF NATURES) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 3 (AGRICULTURE AND INDUSTRY) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 4 (MASTERPIECES OF THE ARTS) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 5 (TREASURES OF LITERATURE) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 6 (HIGHLIGHTS OF AMERICAN HISTORY) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 7 (GREAT EVENTS IN WORLD HISTORY) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 8 (THE NATIONS OF THE WORLD) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 9 (FAMOUS PEOPLE OF ALL TIME) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg VOLUME 10 (MAN AND HIS CULTURE-INDEX) MARVIN A. RAPP Primary Author mixed material NEW YORK PARENT'S INSTITUTE 1987 HOME.jpg.jpg