Here is a short list of books to read based on my personal library. This is by no means a comprehensive or all witches read these books list.
Three Books of Occult Philosophy by Henry Cornelius Agrippa
A Field Guide to Demons, Fairies, Fallen Angels, and Other Subversive Spirits by Carol Mack and Dinah Mack
The Black Arts by Richard Cavendish
Walking the Twilight Path Michelle Belanger
Nocturnal Witchcraft by Konstantinos
Drawing Down the Spirits; The traditions, Antique Techniques of Spirit Possession by Kenaz Fillan and Raven Kaldera
Dark Goddess Craft by Stephanie Woodfield
Green Witchcraft by Anna Moura
Papa Jim's herbal magic workbook
Encyclopedia of Spirits by Judika Illes
Of Blood and Bones by Kate Freuler
Hope you all enjoy. Share your favorite books in comments.