The American Heritage dictionary of the English language. - 5th ed. - Boston : Houghton Mifflin Harcourt, 2011. - xxvii, 2084 p. : ill. (some col.), maps, ports. ; 29 cm. Previous ed.: 2000. ISBN: 9781328841698 0547041012 9780547041018 Standard No.: 40020136142 LCCN: 2011004777 Subjects--Topical Terms: English language--Dictionaries. LC Class. No.: PE1628 / .A623 2011