Larson, James W. 1967. The dark-rumped petrel in Haleakala Crater. Unpublished manuscript from the files of the Maui Baseyard of the Division of Forestry and Wildlife [DOFAW]/Department of Land and Natural Resources [DLNR]/State of Hawaii.
This previously-unpublished document is a study of the life history and ecology of (what is now known as) the Hawaiian petrel (Pterodroma sandwichensis [referred to in the document by an older name, Pterodroma phaeopygia subsp. sandwichensis]) in Haleakala National Park (Maui, Hawaii).
Related document(s): Gateway page: http://www.hear.org/articles/larson1967/