The Wealth of Nations by Part 5 Chapter 2 Page 56

account, thought it reasonable that it should contribute a good deal more towards relieving the exigencies of the state. In some countries the lands of the church are exempted from all taxes. In others they are taxed more lightly than other lands. In the duchy of Milan, the lands which the church possessed before 1575 are rated to the tax at a third only of their value.

In Silesia, lands held by a noble tenure are taxed three per cent higher than those held by a base tenure. The honours and privileges of different kinds annexed to the former, his Prussian Majesty had probably imagined, would sufficiently compensate to the proprietor a small aggravation of the tax; while at the same time the humiliating inferiority of the latter would be in some measure alleviated by being taxed somewhat more lightly.