Prehistoric world (dinosaurs, mammoths and naumann elephants)

ISBN 4-265-02909-4; 4-8340-1376-6; 4-265-02917-5; 4-8340-0215-2

ISBN 4-265-02909-4; 4-8340-1376-6; 4-265-02917-5; 4-8340-0215-2