The following documents are my research on the hermit card. I start by looking at the same card from 4 different decks and writing down every little iconic thing I think of while looking at it. Then I do more research with books.
Akron & Banzhaf, Hajo. The Crowley Tarot: The Handbook to the Cards. Connecticut: U.S. Games. 1995
Berti, Gianluca, Gonard, Tiberio. Tarot of the New Vision. Italy: Lo Scarabeo. 2005
Greenway, Leanna. Simply Tarot. New York: Sterling/Zamezi. 2005
Hoeller, Stephan. The Fools Pilgrimage: Kabbalistic Meditations on the Tarot. Illinois: Quest. 2004
Huson, Paul. Mystical Oringins of the Tarot: From Ancient Roots to Modern Usage. Vermont: Destiny. 2004
Jayanti, Amber. Living the Qabalistic Tarot. New York: Weiser, 2004
Laurence, Theodor. How Tarot Speaks to Modern Man. NY: Bell. 1972
Levitt, Susan. Introduction to Tarot. Connecticut: Us. Games. 2003.
Lionnet, Annie. The Tarot Directory. New Jersey: Chartwell. 2002
Pollack, Rachel. Seventy-Eight Degrees of Wisdon. London: Element. 1997
Wang, Robert. Tarot Psychology. Canada: Marcus Aurelius. 2007