W.O. Henderson 
Friedrich Engels [PDF ebook] 

First Published in 1976. The first volume on this two-part biography traces Engels” carer from his youth in the Wupper valley, through his periods in Bremen and Berlin to the Manchester years and the beginning of his long collaboration with Marx. These early years are described against the background of the prevailing social unrest in Europe, culminating in the 1848 revolutions and portraits are included of many Marx”s and Engels” friends and fellow communists.