Exploring rare books on witchcraft, mesmerism, and the occult today at Philadelphia’s Athenaeum. Thanks to all who joined & to…

Exploring rare books on witchcraft, mesmerism, and the occult today at Philadelphia’s Athenaeum. Thanks to all who joined & to @susurrusdin for leading our adventure! #atlasobscura #philadelphia #witches #rarebooks #athenaeum #library (via http://instagram.com/p/wklxE8KfT1/)