Księga Rogera (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Księga Rogera" in Polish language version.

refsWebsite

Global rank Polish rank

5^th place

2^nd place

low place

557^th place

google.pl

books.google.pl

Aleksander Gieysztor, Chapter VII: Trade and Industry in Eastern Europe before 1200 [w:] Michael Moïssey Postan, Edward Miller (red.), The Cambridge Economic History of Europe: Trade and industry in the Middle Ages, Cambridge University Press, 1987, s. 502 (ang.)

worldcat.org

HubertH. Houben HubertH., Roger II of Sicily: A Ruler Between East and West, Cambridge, U.K.: Cambridge University Press, 2002, ISBN 978-0-521-65573-6, OCLC 47922807 .