Rasmussen, K. (1970) “Walther Kirchner: Commercial Relations between Russia and Europe 1400 to 1800. Collected Essays. Indiana University Publications. Russian and East European Series. Volume 33. Bloomington, Indiana University Press, 1966. x + 332 s. Kort. $ 5”., Historisk Tidsskrift, 12. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/50997 (Set: 5 december 2025).