![Spoken Languages of the Klingon Empire](https://cdn.statically.io/img/static.wikia.nocookie.net/memoryalpha/images/c/cf/Spoken_Languages_of_the_Klingon_Empire.jpg/revision/latest/scale-to-width-down/180?cb=20220906194631&path-prefix=en)
Spoken Languages of the Klingon Empire
Spoken Languages of the Klingon Empire was a reference book pertaining to various Klingon languages.
It was referred to by the crew of the USS Enterprise-A in 2293 to pass themselves off as a Klingon vessel. (Star Trek VI: The Undiscovered Country)