The book-set is a kind of Collection of public / common regulations / conventions of villages & areas around Hanoi - the conventions that were established and applied in every-day life of a villages from middle age up to the year 1945 of the last century. The Collection of Hanoi villages' conventions are concrete and diverse and authentic and reliable materials for examining & understanding administrative operation mechanism and customs & habits and living / economic ways / meanings and cultural activity of a part of Vietnamese ( the Kinh ) people that used to live on the land of Hanoi - the Vietnam National Capital from the year of 1010. It is useful book-set for research circle & large readership.