Seventy-two
Depends on what your interest is: Summoning them? There's a reason the Goetia is a classic. However, it is extremely complex. But as a general rule, you don't want the "Summoning infernal entities for Dummies" If its just information on various Demons/Demonic entities, there are a variety of dictionaries available depending on if you are looking for Judeo-Christian or other religions.
There are No Demons in Pandora's Box.
Queen of Demons has 479 pages.
Demons of Chitrakut has 628 pages.
Demons by Daylight has 153 pages.
Europe's Inner Demons has 302 pages.
Demons Don't Dream has 304 pages.
Many demons on Charmed used an athame (which is a dagger)to kill witches.
82. there are many types of demons such as greater lezzer demonds:92 lesser demons:82 83 84 black demons :138.soo hope i helped
there are many different types of it's imposable to name them all because there are so many but if you can think of some thing there most likely a demon for it. for example there are hair demons, dog demons, frog demons etc.
7+you
Demons are typically believed to be immortal beings in many mythologies and religious beliefs.