* "En ordbog over Slang og ukonventionelt engelsk" (1961)
* "A Dictionary of Cliches" (1978)
* "A Dictionary of Catchphrases" (1977)
* "En bog om fornærmelser" (1981)
* "A Book of Boners" (1983)
* "A Book of Eufemisms" (1984)
* "A Dictionary of Eponyms" (1985)
* "Origins:A Short Etymological Dictionary of Modern English" (1984)
* "The Penguin Book of English Idioms" (1984)
* "A Dictionary of Quotations" (1987)
* "En ordbog over fremmede sætninger og forkortelser" (1991)
* "A Dictionary of Cultural Literacy" (1992)
* "En ordbog over litterære termer" (1994)
* "En ordbog over biografiske citater" (1995)
* "A Dictionary of Mythical Creatures" (1996)
* "En ordbog over det gamle Egypten" (1997)
* "En ordbog over det antikke Grækenland" (1998)
* "En ordbog over det gamle Rom" (1999)
* "En ordbog over renæssancen" (2000)