From http://www.esotericarchives.com/juratus/juratus.htm:
Sloane 3885: (fols. 1-25) 17th century. "Liber sacer Salomonis," repeated at fold 96v-125; (fols. 58-96) "Tractatus de re magica ab Honorio filio Euclidis magistro Thebarum ex septem voluminibus artis magicae compilatus, et intitulatus Liber sacer, sive juratus.", or "Opera Salomonis ab Honorio ordinata" (cursive script).
From http://duke.usask.ca/~frk302/MSS/sbh.htm:
Shelf Mark: London, British Library, Sloane 3885.
Author(s): Solomon.
Title(s): Liber Sacer.
Date: Scott has as s. xvii [Scott 330] Scot also has as s. xvi. [Scott 261]
Language(s): Latin
Size/Material: Parchment. Duodecimo. ff. 125.
Contents:
1. ff. 1-25 Liber sacer.
2. ff. 26-57 Practica nigromancie
3. ff. 58 - 96. Liber sacer or Liber juratus. Incomplete version. Only gets to second section. [council of necromancers; necromancy].
4. ff. 96b-125 Liber sacer
Whole Ays. entry reads: "1. Solomon. Ars artium. 3. Solomon. Opera ab honori ordinata. 4. Solomon. De modo administrandi per librum sacrum, seu ars artium. 5. Orationes variae magicae. 5. Orationes variae magicae."
History: William of Auvergne refered to the liber sacer as a "cursed and execrable book". de legibus, caps. 24 and 27. (T 2, 281).
Bibliography: Liber Sacer: Thorndike II, 284; notes "Necromancy". Ayscough, S. A catalogue of the MSS preserved in the BM hitherto undescribed" London 1782. p. 876, 875, 880 MFM IMS Z 6621 .B84 A9 Not in Ker ML.