[(7)] Idem, p. 38.
[(8)] Engels' introduction to Struggle of the Social Classes in France; quoted by Sombart, op. cit., pp. 68-69.
[(9)] Liebknecht, No Compromise, No Political Trading, p. 28; my italics.
[(10)] Frederic Harrison, quoted in Davidson's Annals of Toil, p. 273 (F. R. Henderson, London, n.d.).
[(11)] Engels in L'Allemagne en 1848, p. 269.
[(12)] Communist Manifesto, p. 30.
