"Niestosowanie przemocy." . . "Non-violence." . . "CORE." . . . . "Negrer Förenta staterna." . . "Action directe." . . "Verenigde Staten; politieke en sociale geschiedenis; periode na de burgeroorlog; sociale toestanden en verhoudingen; bijzondere aspecten; minderheidsgroepen, immigratiepolitiek; negers; sociale toestanden; algemeen, negers en de arbeidersbeweging." . . "Non violenza." . . "Akcja bezpośrednia." . . "Congress of Racial Equality." . . "United States of America; political and social history; after 1865; social conditions and relations; ethnic groups, immigration policy; negroes; social conditions in general, relation with the labour movement." . . . . . . . . . "CORE [Congress of racial equality] and the strategy of nonviolence" . . . . . . "Core and the Strategy of Nonviolence" . . "CORE and the strategy of nonviolence. [Forew. by J. Farmer]"@en . . . . . . . . . . . . . . . "CORE and the strategy of nonviolence" . . "CORE and the strategy of nonviolence"@en . . "Congress of Racial Equality and the strategy of nonviolence" . . . . .