[28] This genetic study forms the subject of my first essay, _In Memory
of the Communist Manifesto_, which is the indispensable preamble to an
understanding of all the rest.
[29] (I allude to the excellent work of Karl Kautsky, _Die
Klassengensaetze von 1789_.)
[30] The Italian edition of this Essay bears the date of March 10, 1896.
[31] Marx, Misere de la Philosophie, Paris, 1817, p. 178.
[32] Communist Manifesto, p. 16.
[33] Marx, Zur Kritik der politischen Oekonomie, Berlin, 1859, p. 6
Pref. Compare my first Essay, pp. 48-50.