ヨセフ・ディーツゲン
Das Wesen der menschlichen Kopfarbeit, 1869, (人間の頭脳労働の本質)
"The Religion of Social Democracy"
"Scientific Socialism" (1873).
"The Ethics of Social Democracy" (1875).
"Social Democratic Philosophy" (1876).
"The Inconceivable: a Special Chapter in Social-Democratic Philosophy" (1877).
"The Limits of Cognition" (1877).
"Our Professors on the Limits of Cognition" (1878).
"Letters on Logic" (addressed to Eugen Dietzgen) (1880-1884).
"Excursions of a Socialist into the Domain of Epistemology" (1886).
"The Positive Outcome of Philosophy" (1887).