"Werkgevers- en werknemersverenigingen." . . "Trades Union Congress." . . . . "Labor unions." . . "Great Britain." . . "Trades unions History, Great Britain, 1868-87." . . "Labor unions Great Britain." . . "Groot-Brittannië." . . "Trades-unions Great Britain History." . . . . . . . . . "History" . "History"@en . . "The British Trades Union Congress; history and recollections"@en . . "Conference proceedings"@en . "The British Trade Union Congress : History and recollections" . "Conference papers and proceedings"@en . . . . . . . . . "The British Trades Union Congress : history and recollections"@en . "The British Trades Union Congress : history and recollections" . "The British trades union congress"@en . . . . . . . . "The British Trades Union Congress History and Recollections"@en . . . . . . "The British Trades Union Congress : history and recollections. [Vol. 1]"@en . . . "The British Trades Union Congress history and recollections"@en . "The British Trades Union Congress history and recollections" . . . "The British Trades Union Congress. History and recollections Cooperative printing society Ltd" . . . . . . "The British trades union congress history and recollections" . "The British trades union congress history and recollections"@en . "The british trades union congress history and recollections (microfilm)" . "British trades union congress history and recollections" . .