Alexander Semeonovitch Liberman (September 4, 1912 – November 19, 1999), Russian-American artist.
^ The Way, 1972-1980. (Nguồn: http://www.laumeiersculpturepark.org/sites/default/files/ckfinder/images/AlexanderLiberman_Laumeier_033.jpg)
^ Gate of Hope, 1972, University of Hawaii at Manoa, Honolulu. (Nguồn: http://uploads6.wikipaintings.org/images/alexander-liberman/gate-of-hope-1972.jpg)
^ Entwined III, 1987. (Nguồn: http://www.sculpturefoundation.org/images/artists/photos/Liberman2_01.jpg)
^ Daedalus, 1990. (Nguồn: http://www.sculpturefoundation.org/images/artists/photos/Liberman1_01.jpg)
^ Castle , 1990-1994. (Nguồn: http://images.miandn.com/www_miandn_com/f70963d6.jpg?1363701116841)
^ Offering Circa, 1965. (Nguồn: http://images.miandn.com/www_miandn_com/4f9c5b9e.jpg)
^ Realms, 1966. (Nguồn: http://images.miandn.com/www_miandn_com/788538a3.jpg)
^ Galaxy, 1984, Oklahoma city. (Ảnh: N. Hà)
nguyenha 
