Ordinary Sejm in Warsaw. 1778 r.
The Sejm was convened in June, and the pre-sejm sejmiks were held in August 1778. Ludwik Skumin Tyszkiewicz, the Lithuanian Grand Writer, was elected the Speaker. The Sejm concluded its proceedings on 14 November 1778.
See: W. Filipczak, Sejm 1778 roku [Sejm of 1778], Warszawa 2000; R. Łaszewski, Sejm polski w latach 1764-1793. Studium historyczno-prawne [The Polish Sejm in the years 1764-1793. Historical and legal study], Warszawa 1975; W. Konopczyński, Dzieje Polski nowożytnej [The History of Modern Poland], v. 2, Warszawa 1986; J. Michalski, Sejm w czasach panowania Stanisława Augusta [The Sejm during the reign of Stanisław August], in: Historia sejmu polskiego [The History of the Polish Sejm], v. 1, Warszawa 1984, edited by. J. Michalski, p. 350-419; Z. Zielińska, Sejmy polskie z lat 1764-1786 [Polish Sejms of 1764-1786], Warszawa 1995. Legislation see: Volumina legum, Eduted by J. Ohryzko, v. 8, Petersburg 1860, p. 944-961.