The Guangdong Provicial Art Exhibition Celebrating the 50th Anniversary of the People's Republic of China Guangdong artistic works exhibition for celebrating the 50th anniversary of Guangdong Artists Association Theory and method of research on the history of the People's Republic of China To the 50th anniversary of the People's Republic of China 延安颂：献给中华人民共和国建国五十周年：1949-1999：To the 50th anniversary of the People's Republic of China