» Heard Island - Southern Indian Ocean    General information about the location, discovery, geography, geology, climate, and culture of the island. Includes interactive map.    http://www.btinternet.com/~sa_sa/heard_island/heard.html

» Heard Island Expedition    Documents the 1997 Cordell Expedition to the island. Includes an overview, route map, basic information, detailed planning documents, and team biographies.    http://www.cordell.org/HI/

» Heard Island Marine Reserve Management Plan    Details all aspects of this plan. Includes a PDF version of the report.    http://www.heardisland.aq/protection/management_plan/

» UNEP - Heard Island    Information about the Natural World Heritage Property of Heard Island includes location, history, physical description, cultural heritage and scientific research.    http://www.unep-wcmc.org/protected_areas/data/wh/himi.html

» Volcanic Activity Reports    Features reports on volcanic episodes on Heard Island from the Smithsonian Institution's Global Volcanism Program. Includes information about seismic events.    http://www.volcano.si.edu/world/volcano.cfm?vnum=0304-01=