Klingon

Nonprofit organization offers language tutorials, related merchandise, mailing list and membership information.

Includes documentation of all canon, careful analyses, links, and reference materials.

A two-way translator and morphological analyzer, available online or as a download.

Includes dictionary and analysis program, translations of English works, links, and other resources.

Bachelor's thesis in sociology by Yens Wahlgren. Marc Okrand, the creator of Klingon, and 18 advanced Klingonists are interviewed.

A short article by Glen Proechel, first published in "Esperanto U.S.A." in 1994, comparing the Klingon language to Esperanto.