Marx-Engels Correspondence 1872
Source: Karl Marx, Letters to Dr Kugelmann (Martin Lawrence, London, undated). Scanned and prepared for the Marxist Internet Archive by Paul Flewers.
At the Hague the delegates will wear blue bands so that the people who come to meet them will recognise them.
In case of accidents:
Private address: Bruno Liebers, 148 Jacob-Catsstraat.
Public Congress Hall: Concordia, Lombardstraat.
In great haste