Liber

adj. Lat Free; open and accessible, as applied to courts, places, etc.; of the state or condition of a freeman, as applied to persons.

— Liber bancus. In old English law. Free bench. Bract, fol. 97b.

— Liber et legalis homo. In old English law. A free and lawful man. A term applied to a juror, from the earliest period.

— Liber homo. A free pan; a freeman lawfully competent to act as juror. Ld. Raym. 417; Kebl. 563. An allodial proprietor, as distinguished from a vassal or feudatory. This was the sense of the term in the laws of the barbarous nations of Europe.

n. Lat A book, of whatever material composed; a main division of a literary work.
—Liber assisarum. The Book of Assizes. A collection of cases that arose on assizes and other trials in the country. It was the fourth volume of the reports of the reign of Edward III. 3 Reeve, Eng. Law, 148.
—Liber feudor-um. The book of feuds. This was a compilation of feudal law, prepared by order of the emperor Frederick I., and published at Milan in 1170. It comprised five books, of which only the first two are now extant with fragmentary portions of the others.
—Liber judicialis of Alfred. Alfred's dome-book. See Domes-dat.
—Liber judiciarum. The book of judgment, or doom-book. The Saxon Domboc. Conjectured to be a book of statutes of ancient Saxon kings
—Liber niger. Black book. A name given to several ancient records.
—Liber niger domfis regis, (the black book of the king's household.) The title of a book in which there is an account of the household establishment of King Edward IV., and of the several musicians retained in his service, as well for hid private amusement as for the service in his chapel. Enc. Lond.
—Liber niger scaccarii. The black book of the exchequer, attributed to Gervase of Tilbury. 1 Reeve, Eng-Law, 220, note.
—Liber ruber scaccarii. The red book of the exchequer. 1 Reeve, Eng. Law, 220, note.