^Patricia M. Pelley -Postcolonial Vietnam: New Histories of the National Past - Page 50 2002 "who relied more on the work of Lenin — most notably Trần Quốc Vượng, Hà Văn Tấn, and Phan Huy Lê — published two pathbreaking studies, Primitive Communism and The History of Feudalism, from which they conspicuously omitted the .....proceeding instead directly from primitive communism to feudalism. Inspired by Lenin's assertions regarding the Slavic countries, historians at the university insisted that beginning with the Hùng kings and the legendary kingdom of Văn Lang... during the reign of An Dương Vương, who ruled the legendary kingdom of Âu Lạc, and through the early stages of the Chinese occupation (from 2879 B.C.E. to 43 C,E., in other words) Vietnamese society was based on primitive communism "
^Community halls in Vietnam Văn Tâń Hà, Văn Kụ Nguyêñ - 1998 "HÀ VĂN TẤN was bom in 1937 in Tiên Ðiển commune, Nghi Xuân district, Hà Tĩnh province. Hà Văn Tấn is a professor of history, Head of Section of Methodology of Historical Studies (National University of Hanoi);