The Wealth of Nations by Part 3 Chapter 3 Page 7

The payment having thus become perpetual, the exemptions, in return for which it was made, naturally became perpetual too. Those exemptions, therefore, ceased to be personal, and could not afterwards be considered as belonging to individuals as individuals, but as burghers of a particular burgh, which, upon this account, was called a free burgh, for the same reason that they had been called free burghers or free traders.

Along with this grant, the important privileges above mentioned, that they might give away their own daughters in marriage, that their children should succeed to them, and that they might dispose of their own effects by will, were generally bestowed upon the burghers of the town to whom it was given. Whether such privileges had before been usually granted along with the freedom of trade to particular