biweekly links 3-23-2016

black and white photo of candles, talismans, ritual knives, a crystal ball, and a book with a pentagram inscribed in the cover
An altar with some of Doreen Valiente’s ritual objects. Courtesy the Doreen Valiente Foundation/Culture24

Early modern English Muslims, 20th century occult collections, and fin-de-siècle French Satanists for you: