Open kaart over morele herbewapening / J.P. Thornton-Duesbery ; [vert. uit het Engels] Protecting cultural objects through international documentation standards : a preliminary survey / Robin Thornes Communism and revolution : the strategic uses of political violence / edited by Cyril E. Black and Thomas P. Thornton agard report new special solution to the complete problem of the internal ballistics of guns / by C.K. Thornhill