Engels and the problems of the International Labour Movement in the 1890s. (Correspondence and other data).

Repr.: Acta historica academiae scientiarum Hungaricae. Tom. 16, 1971, p. 225-255.

Engels and the problems of the International Labour Movement in the 1890s. (Correspondence and other data).

Repr.: Acta historica academiae scientiarum Hungaricae. Tom. 16, 1971, p. 225-255.