Letters of Marx and Engels, 1849
Source: MECW Volume 38, p. 196;
Written: 6 May 1849;
First published: in G. Becker, Neue Dokumente von Karl Marx aus dem jahre 1849, Zeitschrift für Geschichtswissenschaft, 1974.
To Mr Brehmer in Breslau
I warmly recommend to you the bearer of these lines, Mr Bruhn, whose name you will still recall from the events in Southern Germany last year. 
Yours very truly