Here's a link to photographs in the collection of the Smithsonian Institute.
The Smithsonian Institute has a site on Indigenous Geography that features Native Hawaiians
The Smithsonian Institute also provides a list of resources for studying the Native Hawaiian peoples. Many are electronic - look for the hyperlinks.
The Justice Policy Institute
In September 2010, it released its report "The Disparate Treatment of Native Hawaiians in the Criminal Justice System". Follow the link to download either the executive summary or the entire report.