The Penultimate HârnPage
Campaign background, Hârnic folksongs, and treatises on medieval agriculture.

UserMode:HarnWorld
Features two adventures, and a new players' guide.

HârnPage
Official fan page for HârnWorld, featuring new rules and campaign background. Accepts submissions.

Legends of Elorinar
Character descriptions and campaign journals.

WarFlail's Armoury
Features house rule and a database of Hârn fan-sites.

Lýthia.com
A portal site to the world of Hârn. Features a FAQ, download, and Fan Projects.

WebRing: harnring
Group of interlinked sites also known as the "Harnworld & Harnmaster Ring".

Harn Files
House rules, character descriptions, and links.

Harn Religion Team
Details of all Harnic religions. Maintained by a team of Harn fans across the world, including many who helped work on the HarnMaster Religion supplement.

The Schylla & Charibdis Pax Tharda Home Page
A guide to the Thardic Republic.

Columbia's HârnWorld Series
The company product web page.

HârnForum
The official online Hârn discussion forum.

Nolomar Rising
The record of an ongoing campaign; character setups, session logs, and some notes from the referee on how it all went together.