Liber Juratus, or the Sworn Book of Honorius - A 13th century Grimoire of the 'Solomonic cycle'. It is one of the foundation works of European magical practice. It was one of Dr. Dee's sources for the Sigillum Dei Aemeth.
Magick and the Occult - A collection of essays, texts, and lessons on various esoteric and occult subjects.
The Testament of Solomon - This text is an Old Testament Pseudepigraphic catalog of demons summoned by King Solomon, and how they can be countered by invoking angels and other magical techniques.