Aleksander Gella, Development of Class Structure in Eastern Europe: Poland and Her Southern Neighbors, SUNY Press, 1998, ISBN0-88706-833-2, Google Print, p. 13
Halina Stephan, Living in Translation: Polish Writers in America, Rodopi, 2003, ISBN90-420-1016-9, Google Print p. 373. Quoting from Sarmatian Review academic journal mission statement: "Polish–Lithuanian Commonwealth was ... characterized by religious tolerance unusual in premodern Europe"
"Formally, Poland and Lithuania were to be distinct, equal components of the federation ... But Poland, which retained possession of the Lithuanian lands it had seized, had greater representation in the diet and became the dominant partner.""Lublin, Union of". Encyclopædia Britannica. 2006.[1]
"In the mid-1500s, united Poland was the largest state in Europe and perhaps the continent's most powerful state politically and militarily". "Poland". Encyclopædia Britannica. 2009. Encyclopædia Britannica Online. Consultado o 26 de xuño de 2009.
