Summary: An illustrated encyclopedia with articles on history, literature, art and music, geography, mathematics, science, sports, and other ropics Some articles include activities, projects, or experiments
متن يادداشت
V. 21 is index
یادداشتهای مربوط به کتابنامه ، واژه نامه و نمایه های داخل اثر
متن يادداشت
Includes bibliographical refrences and index
موضوع (اسم عام یاعبارت اسمی عام)
موضوع مستند نشده
Children,s encyclopedias and dictionaries. [l.Encyclopedias and dictionaries]