Deletion of Dictionary of Occult, Hermetic and Alchemical Sigils

Comment: The Walter Pagel reference is an independent |reliable sources. There is also another review by RP Multhauf in Speculum; Volume 58 Issue 01 page 261-262; so I think this passes notability
Stance: keep
Cited policy: Wikipedia:Reliable sources (WP:RS)

Comment:  - Meets criteria 1 of  since it has been the subject of at least 3 independent non-trivial published works. Two reviews in The British Journal for the History of Science and one in Speculum (journal)|Speculum
Stance: keep
Cited policy: Wikipedia:Notability (WP:BOOKCRIT)