1815-1895 1848-1908 1866-1925 1876-1912 1878-1933 1893-1976 1904- 1910- 1911-1985 1913- 1972- 1974- 20thcentury 709 951 american animals astronomie astronomy astronomía authors biography books chen children children's china chinese civilization communism conceptualart day diplomats earth earth(planet) economicconditions effectoflighton effectoftemperatureon exhibitions exploration fantasy fiction foreignrelations generals history homer homeschooling inart information informational inliterature installations(art) jiongming juvenile juvenileliterature kids kulturanthropologie lea li light literaturajuvenil literature littératuredejeunesseanglaise magicschoolbus magicschoolbusseries mao mixedwithnon-fiction mythologie naturalhistory night outerspace ouvragesillustrés peng performanceart physiologicaleffect physiquedesrelationssoleil-terre picturebook planets politicsandgovernment popularscience religion religiousaspects revolutionaries rotation scholars scienceandcivilization sciencefiction solaractivity solarsystem soldiersoffortune sonne space stars stories taiwan temperature time unitedstates war yat-sen yirang yiyan yu yuan yuanliang yutang zedong zon 孙犁 孙衣言 孙诒让 孫元良 毛沢東 陈炯明