UH Manoa Library Hawaiian Collection - offers a comprehensive collection of retrospective and current materials pertaining to Hawaii.
Hawaii Pacific Journal Index - provides an index (citations) to nearly 140 journals published in or about Hawaii and the Pacific. Coverage dates back to the 1890s.
Hawaii Newspaper Index offers an index (citations, not full text articles) to the Honolulu Advertiser, Honolulu Star-Bulletin, and Honolulu Star-Advertiser from 1989 to the present.

Honolulu Star Advertiser - (full text June 2010 to sometime around the present day)
Honolulu Advertiser - (full text November 30, 2002 to June 06, 2010)
Honolulu Star-Bulletin -(full text from March 18, 1996 to June 06, 2010)
Ulukau offers an index to the Honolulu Advertiser and Honolulu Star-Bulletin from 1929 to 1969.

State of Hawaii Databook - supplies a summary of statistics on the social, economic, and political organization of our state
Bob Krauss Research Index - provides citations to articles of English language newspapers from Hawaii. Indexing is not comprehensive, but is extensive and covers early years well back into the 1800s that other indexes do not, and papers that are not indexed elsewhere.
The Pacific Islands Report - News stories that affect Pacific communities living in Hawaii. Use "Archives" search to look for material from 1997 to present.
ScholarSpace - Provides digital content, including some Hawaii-related research, created by the University of Hawaii community.

Journal Articles

Hawaii Pacific Journal Index - Provides a citation index and some links to full text articles in or about Hawaii.
American History & Life - Covers the history and culture of the U.S. including some articles on Hawaii.
Academic Search Complete - Includes articles on a variety of Hawaii-related topics.
Project Muse - Provides articles appearing in scholarly journals on a variety of Hawaii-related topics.
JSTOR - Offers a variety of social science journal articles on a variety of Hawaii-related topics.
Web of Science - Provides articles on a variety of Hawaii-related topics including social sciences and natural sciences.
Google Scholar - Includes articles on a variety of Hawaii-related topics.