By 1820, Dane was almost totally deaf, but he continued working long hours in his library, writing two major legal treatises.
The firm initially specialized in legal treatises and imported titles.
It was probably the best-known legal treatise of its time.
In law libraries books are known as "legal treatises."
His writing is not like a modern legal treatise comparing case results.
An indirect result of this war was that Bracton failed to complete his great legal treatise.
He wrote the first legal treatise published in America.
In 1915 he wrote "Darling on Trusts" a legal treatise.
But there is no direct evidence for this of an earlier date than the 13th-century legal treatise Bracton.
The library also has an excellent collection of legal treatises and periodical literature.