Brückner, Alexander, Dzieje literatury polskiej (A History of Polish Literature), Warsaw, 1908. Pilat, Roman, Historya literatury polskiej (A History of Polish Literature), Warsaw, 1909, vol. II, part 1. Grabowski, T., Literatura Luterska w Polsce Wieku XVI (Lutheran Literature in XVIth Century Poland), Poznań, 1920. ---- Literatura Aryańska w Polsce (Arian Literature in Poland), Cracow, 1908. Rakowski, Kazimierz, Dzieje Rozwoju Ekonomicznego Dawnego Państwa Polskiego (A History of the Economic Development of Old Poland), Warsaw, 1909. Szelągowski, Adam, Pieniądz i Przewrót Cen w XVI i XVII Wieku w Polsce (Money and the Overturning of Prices in XVIth and XVIIth Century Poland), Lwów, 1902. ---- Walka o Bałtyk, 1544-1621 (A Struggle for the Baltic), Lwów, 1904. ---- O Ujście Wisły (A Struggle for the Mouth of the Vistula), Warsaw, 1905. Baranowski, Ignacy, Przemysł Polski w XVI Wieku (Polish Commerce in the XVIth Century), Warsaw, 1919. Tymieniecki, Kazimierz, Procesy twórcze formowania się społeczeństwa polskiego w wiekach średnich (Creative Processes in the Formation of Polish Society in the Middle Ages), Warsaw, 1921. Starczewski, Eugeniusz, Możnowładztwo Polskie (The Polish Aristocracy), Warsaw, 1914. Kwartalnik Historyczny (Historical Quarterly), Lwów. Przegląd Historyczny (Historical Review), Warsaw. Reformacja w Polsce (The Reformation in Poland), Warsaw, a Quarterly of the Polish Reformation Historical Society. INDEX Adjustment of religious differences, proposed project of 1555, 49-50. Agriculture, revival of, 108-116. Background of Polish Reformation, independent attitude of Polish princes, 9-11, of clergy, 11-13, of people, 13; influence of humanism, 13-14; character of Polish clergy, 14-15. Batory, Stephen, religious tolerance of, 79-80. Bible, Polish, different translations and editions of, 72. Bohemian Brethren, in Poland, 27-28, 41-42; union with Calvinists of Little Poland, 48; joint synod of the two in 1557 and proposed union with Lutherans, 56. Budny, Simon, Arian reformer and writer, 72, 73. Calvinism in Poland, 33-34, 39, 42; need of better church organization of, 43; growth of, 53. Casimir the Great, attitude toward church, 10. Causes of Polish Reformation, political, constitutional liberties of Polish nobility, 101-105, ecclesiastical jurisdiction, 126-134, problem of “execution of laws,” 134-137; social, Renaissance, 64-66, art of printing, 66-73, education, influence of foreign universities, 73-78, religious tolerance, 78-82, aristocratic character of Polish, Reformation, 82-83; ecclesiastical jurisdiction, 126-134; economic, wealth of Polish church, 83-100, 121-124, revival of commerce and agriculture after Peace of Thorn (1466), 105-116, problem of national defense, 116-124, payment of tithes, 124-126.