I’ve been finding a lot of great material lately from Miskatonic Books:
Saturn Rising; Into the Void- J.T. Kirkbride
Cult of the Black Cube- Arthur Moros
Ifa- Nicholaj de Mattos Frisvold
Gateways through Light and Shadow- Frater Ashen Chassan
Book of St. Cyprian- Humberto Maggi
Yearning for Spirit- Lucian Blaga
Myrkthursablot- Niðafjöll and Wilthijaz Yggr