Schmoele, J.: Die Sozial-Demokratische Gewerkschaften in Deutschland seit dem Erlasse des Sozialisten Gesetzes, 1896, etc.
Sozial-Demokratische Partei-Tag-Protokoll. Annual reports of the party conventions.
Documente des Sozialismus. An annual publication edited by Bernstein.
ENGLAND
Arnold-Foster, H.: English Socialism of To-day, 1908.
Barker, J.E.: British Socialism, 1908. A collection of quotations.
Bibby, F.: Trades Unionism and Socialism, 1907.
Blatchford, R.: Merrie England, 1895.
Churchill, Winston: Liberalism and the Social Problem, 1909.
Engels, F.: The Condition of the Working Classes in England in 1844, 1892.