Czarnota, A. 1983. P. B. Blaas, Continuity and Anachronism. Parliamentary and Constitutional Development in Whig Historiography and Anti-Whig Reaction between 1890-1930. Czasopismo Prawno-Historyczne. 35, 2 (paź. 1983), 234–235. DOI:https://doi.org/10.14746/cph.1983.35.2.31.