Alternative figures in American art, 1960 to the present What nerve!：Alternative figures in American art, 1960 to the present May day festivals in america, 1830 to the present The amazing journey of American women from 1960 to the present / Mathematics frontier: 1950 to the present Hstory of modern Africa: 1800 to the present Identity in American art, 1912 to today Studies in childhood, 1700 to the present The human tradition in America：1865 to the present Tradition and tendencies of minim alism from 1950 to the present