It is a mistake to imagine that those territorial jurisdictions took their origin from the feudal law.
The feudal laws printed in Polain (1868) make no reference to entails.
According to feudal law it was the king of France's responsibility to decide who should inherit.
He has been called one of the 'last two great commentators on feudal law'.
The Code, with its stress on clearly written and accessible law, was a major step in replacing the previous patchwork of feudal laws.
"Russia is a country that lives and is ruled according to feudal laws," he said.
It contains important information about the feudal law in this area which had replaced the tribal customs of an earlier period.
In the 19th century, feudal law was finally gradually abolished in most European countries.
A work on feudal law has also been attributed to him, but without foundation.
These editions are of value for the history of feudal and customary law.