The Czechs Under Nazi Rule: The Failure of National Resistance, 1939–1942 / Vojtěch Mastný. New York, 1971, p. 155-165.
Národní souručenství was during the existence of the Protectorate of Bohemia and Moravia the only allowed political Czech organization. For 1943-01-15 Národní souručenství was disbanded as a political party and converted into a cultural and educational organization.
Národní souručenství