Lundgreen-Nielsen, K. (1974) “M. K. Dziewanowski: Joseph Pilsudski. A European Federalist, 1918-22. Hoover Institution Press. Stanford, California. 1969. 379 s. $8.70.”, Historisk Tidsskrift, 130. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51547 (Set: 18oktober2019).