"Hammerhead: the other great white shark" by Simon Rogerson, BBC Wildlife (October 2003).
"I was trying to put such thoughts from my mind as the hammerhead circled me, making ever-closer passes as caution gave way to curiosity."
Hammerhead Sharks by Hawaiian Charlie Maxwell. Hammerhead text, with info on sharks in native Hawaiian religious thought.
"Early Hawaiians highly revered sharks as both spiritually important and necessary for the health of the ocean. … Also, many families, or ohana, considered the mano to be their 'aumakua, or sacred guardian, which would protect the members of the ohana."Maxwell has a article on sharks as 'aumakua.
San Diego Natural History Museum, specifically on the Smooth Hammerhead.
Sharks.com datasheet (middling) with a good photo.