1846		Marx a Pavel Vasilevic Annenkov
1865		Marx a J. B. von Schweitzer su Proudhon
1869		Marx a Ludwig Kugelmann
1870		Marx a Sigfried Meyer e August Vogt
1880		Marx a Sogre sul programma del Parti Ouvrier
1882		Marx alla figlia Laura su Lafargue
		Lettere sul materialismo storico
1889-02-20		Engels a Karl Kautsy
1889-12-04		Engels a Victor Adler
1890-06-05		Engels a Paul Ernst
1890-08-05		Engels a Conrad Schmidt
1890-09-21		Engels a Joseph Bloch
1890-10-27		Engels a Conrad Schmidt
1891-07-01		Engels a Conrad Schmidt
1891-11-01		Engels a Conrad Schmidt
1892-02-04		Engels a Conrad Schmidt
1892-03-16		Engels a August Bebel
1892-09-28		Engels a Franz Mehring
1893-04-11		Engels a G. William Lamplugh
1893-04-11		Engels a Franz Mehring
1893-07-14		Engels a Mehring
1894-01-25		Engels a Walter Borgius
1895-01-25		Engels a Ferdinand Tönnies
1895-03-11		Engels a Werner Sombart
1895-03-12		Engels a Conrad Schmidt

Archivio Internet Marx-Engels
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