Author:Florian Znaniecki

Works
In English:
 * The Polish Peasant in Europe and America (with William I. Thomas, 5 vols., 19l8-20).
 * The Principle of Relativity and Philosophical Absolutism, in The Philosophical Review, vol. 24, no. 2 (March 1915), pp. 150–164.
 * Cultural Reality (Chicago 1919),
 * The Laws of Social Psychology (Warsaw-Kraków-Poznań 1926),
 * The Method of Sociology (New York 1934),
 * Social Actions (New York 1936),
 * The Social Role of the Man of Knowledge (New York 1940),
 * Cultural Sciences. Their Origin Development (Urbana 1952),
 * Modern Nationalities (Urbana 1952),
 * Social Relations and Social Roles: The Unfinished Systematic Sociology (San Francisco 1965),
 * On Humanistic Sociology (selection of works under redaction of R. Bierstedt, Chicago i London 1969),
 * The Subject Matter and Tasks of the Science of Knowledge (translated by Christopher Kasparek; first published in Polish, 1923), in Polish Contributions to the Science of Science, edited by Bohdan Walentynowicz, Dordrecht, D. Reidel, 1982, pp. 1–81.
 * The Social Role of the University Student (Poznań 1994).

In Polish:
 * Zagadnienie wartości w filozofii (Warsaw 1910),
 * Humanizm i poznanie (Warsaw 1912),
 * Upadek cywilizacji zachodniej. Szkic z pogranicza filozofii kultury i socjologii (Poznań 1921),
 * Wstęp do socjologii (Poznań 1922),
 * Socjologia wychowania (vol. I Warsaw 1928, vol. II Warsaw 1930),
 * Miasto w świadomości jego obywateli (Poznań 1931),
 * Ludzie teraźniejsi a cywilizacja przyszłości (Lwów-Warsaw 1934),6