Kim Il Sung's work, published on August 1, Juche 80 (1991), says that the Korean nation is the driving force for national reunification, and indicates the tasks and ways for achieving the great unity of the whole nation.

Kim Jong Il's work, published on August 4, Juche 86 (1997), deals with the immortal exploits performed by the President for national reunification.

The work formulates the three principles of national reunification, the 10-point programme of the great unity of the whole nation and the proposal for founding the Democratic Federal Republic of Koryo as the three charters for national reunification and indicates the tasks for accomplishing the cause of national reunification and the ways to do so on the basis of them.