Economic Life in Ottoman Europe: Taxation, Trade and the Struggle for Land ... - Bruce McGowan, Bruce William McGowan - Google Books

https://books.google.de/books?id=-xh5P2NC2FIC

Of the various monopolies exercised by the Ottoman ruling stratum in their long domination over South-eastern Europe, the most lasting in its effects was their monopoly over information. The scanty knowledge that outsiders had of this area improved only in…