Necker Island and its Intriguing Stone Images - Article on this steep-sided and barren volcanic presence lying some 393 miles northwest of Honolulu. - http://www.tribalsite.com/articles/necker.htm
Necker Island - Entry for Necker Island in the Columbia Gazetteer of North America. - http://www.bartleby.com/69/77/N01677.html
Jane's Necker Island - Summary of the archaological history, geology and botany of Necker Island with pictures and drawings. - http://www.janeresture.com/necker/