Kettler David. The Social and Political Thought of Adam Ferguson. – Columbus, Ohio, 1965.
Kołłątaj Hugo. Porządek fizyczno-moralny oraz pomysły do dzieła «Porządek fizyczno-moralny» (1 wyd. 1810). – Warszawa, 1955.
Kołłątaj Hugo. Rozbiór krytyczny zasad historii początkowej wszystkich ludów (1 wyd. 1842) / Henryk Hinz (подг. текста). – Warszawa, 1972.
Krasnodębski Zdzisław. Upadek idei postępu. – Warszawa, 1991.
Kroński Tadeusz. Kant. – Warszawa, 1966.
Lechartier Georges. David Hume, moraliste et sociologue. – Paris, 1900.
Lehmann William C. Adam Ferguson and the Beginnings of Modern Sociology. – New York, 1930.
Lehmann William C. Henry Home, Lord Kames and the Scottish Enlightenment. A Study in National Character and in the History of Ideas. – The Hague, 1971.
Lehmann William C. John Millar of Glasgow (1735–1801). His Life and Thought and His Contributions to Sociological Analysis. – Cambridge, 1960.
Lempicki Zygmunt. Renesans, oświecenie, romantyzm // Wybór pism, Henryk Markiewicz (сост.). – T. 1: Renesans, oświecenie, romantyzm i inne studia z historii kultury. – Warszawa, 1966.
Leroy Maxime. Histoire des idées sociales en France. De Montesquieu à Robespierre. – Paris, 1947.
Lichtenberger André. Le socialisme au XVIIIme siècle. – Paris, 1895.
Lindgren J. Ralph. The Social Philosophy of Adam Smith. – The Hague, 1973.
Litwin Jakub. Dylematy postępu i regresu. – Warszawa, 1973.
Lovejoy Arthur O. Boas George. Primitivism and Related Ideas in Antiquity. – Baltimore, 1935.
Manuel Frank Edward. The Eighteenth Century Confronts the Gods. – Harvard University Press, 1959.
Manuel Frank Edward. The Prophets of Paris. – Cambridge; New York, 1962.
Martin Basil Kingsley. French Liberal Thought in the 18th Century. A Study of Political Ideas from Bayle to Condorcet. – London, 1954.
Meek Ronald L. Social Science and the Ignoble Savage. – Cambridge; New York, 1976.
Meinecke Friedrich. Die Entstehung des Historismus. – München; Berlin, 1936. – 2 Bd. (английское издание: Historism. The Rise of a New Historical Outlook. – London, 1972).
Melzer Arthur M. The Natural Goodness of Man. On the System of Rousseau’s Thought. – Chicago, 1990.
Mornet Daniel. Les origines intellectuelles de la Révolution française 1715–1787. – Paris, 1953 (1er edition 1934).
Muller Jerry Z. Adam Smith in His Time and Ours. – New York, 1993. N. J., 1985.
Namar Gérard. Rousseau sociologue de la connaissance. De la créativité au machiavelisme. – Paris, 1978.
Olson Richard. The Emergence of the Social Sciences, 1642–1792. – New York, 1993.
The Origins and Nature of the Scottish Enlightenment. Essays / Roy Hutcheson Campbell, Andrew S. Skinner (ed.). – Edinburgh, 1982.
Ossowska Maria. Myśl moralna Oświecenia angielskiego. – Warszawa, 1966.
Oświecenie dzisiaj. Rozmowy w Castel Gandolfo / Krzysztof Michalski (ред.). – Kraków; Warszawa, 1999.
Outram Dorinda. The Enlightenment. – Cambridge, 1995.
Państwo a społeczeństwo. Wizje wspólnot niemieckich od oświecenia do okresu restauracji / Tadeusz Namowicz (ред.). – Poznań, 2001.
Philosophy and Science in the Scottish Enlightenment / Peter Jones (ed.). – Edinburgh, 1988.
Pitte Frederick P. van de. Kant as Philosophical Anthropologist. – The Hague, 1971.
Pollard Sidney. The Idea of Progress. History and Society. – Harmondsworth, 1968.
Pompa Leon. Vico. A Study of the «New Science». – Cambridge; New York, 1990.
Postman Neil. Building a Bridge to the 18th Century: How the Past Can Improve Our Future. – New York, 2000.
Proesler Hans. Die Anfänge der Gesellschaftslehre. – Erlangen, 1923.
Proust Jacques. Encyclopédie. – Paris, 1965.
Readings in Early Anthropology / James S. Slotkin (ed.). – New York, 1965.
Reisman David A. Adam Smith’s Sociological Economics. – New York, 1976.
Rihs Charles. Voltaire. Recherches sur les origines du matérialisme historique. – Genève, 1962.
Rosen Allen D. Kant’s Theory of Justice. – Ithaсa, N. Y., 1993.
Rosenblum Nancy L. Bentham’s Theory of Modern State. – Cambridge, Mass., 1978.
Salomon Albert. In Praise of Enlightenment. – Cleveland, 1963.
Salvucci Pasquale. La filosofia politico di Adam Smith. – Urbino, 1966.
Sampson Ronald Victor. Progress in the Age of Reason. The Seventeenth Century to the Present Day. – London, 1956.