Geschiedeniswerkplaats / J. Beetsma. Leerlingenboek / J. Beetsma : 11: China in de 20ste eeuw treaties and other international acts series Mutual security : Assurances Under Mutual Security Act of 1951 : agreement between the United States of America and China treaties and other international acts series Mutual defense assistance : agreement between the United States of America and China Russland und China : ein Leitfaden durch den sino-sowjetischen Konflikt
