In the four-volume supplement to the Oxford English Dictionary (hereafter, OED), its editor, Burchfield, supplied a separate subdefinition stating that Hobson-Jobson was ‘[u]sed as the title of a famous collection of Anglo-Indian words’ [...] Thus, along with the Bible and the Koran, Hobson-Jobson, the book, has been elevated to the special status of being defined in the OED.
Source: wiktionary