Marx-Engels Correspondence 1866
Source: Karl Marx, Letters to Dr Kugelmann (Martin Lawrence, London, undated). Scanned and prepared for the Marxist Internet Archive by Paul Flewers.
A few lines at once.
1. To thank you for your efforts.
2. To tell you that I received this, as well as the previous letters.
3. You mistake my relations with Engels. He is my most intimate friend. I have no secrets from him. Had it not been for him I should long ago have been compelled to take up ‘business’. Therefore in no circumstances do I want any third person to intervene with him on my account. He also, obviously, can only act within certain limits.
Dr Jakobi,  I have been informed by workers, has become a very good citizen and consequently is not to be troubled in any way with my private affairs.
I must see about doing something, but I see that you have tried to do everything in your power, and therefore ask you to consider this affair settled.
I do not write for the Commonwealth.
Miquel  and Co can wait a long time before they become Prussian ministers.
1. Abraham Jakobi (1832-1900) – German doctor and in his youth an active member of the Communist League at Cologne. Sentenced in the Cologne trial of 1852; after serving his sentence emigrated to America, and left the labour movement – Marx-Engels-Lenin Institute.
2. Johannes Miquel (1828-1901) – German statesman; in the early 1850s a supporter of Marx and active member of the Communist League. In the 1860s he joined the National Liberals. Later, Prussian Minister of Finance – Marx-Engels-Lenin Institute.