The Wealth of Nations by Part 5 Chapter 2 Page 54

According to that valuation, the lay proprietors pay from twenty to twenty-five per cent of their revenue. Ecclesiastics from forty to forty-five per cent. The survey and valuation of Silesia was made by order of the present king; it is said with great accuracy. According to that valuation, the lands belonging to the Bishop of Breslaw are taxed at twenty-five per cent of their rent. The other revenues of the ecclesiastics of both religions, at fifty per cent. The commanderies of the Teutonic order, and of that of Malta, at forty per cent. Lands held by a noble tenure, at thirty-eight and one-third per cent. Lands held by a base tenure, at thirty-five and one-third per cent.

The survey and valuation of Bohemia is said to have been the work of more than a hundred years.

It was not