The Klingon Dictionary: English/Klingon, Klingon/En... by Okrand, Marc Paperback
The Klingon Dictionary: English/Klingo..., Okrand, Marc
Marc Okrand Klingon Dictionary (Paperback) Star Trek (trade/hardcover)
The Klingon Civil War #13A The Klingon Empire - Star Trek Fact File Page
The Klingon Civil War #13B The Klingon Empire - Star Trek Fact File Page
