http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
why tough, through, and dough don't rhyme-and other oddities of the English language
Arika Okrent ; illustrated by Sean O'Neill.
Includes bibliographical references (pages [251]-254) and index.
New York : Oxford University Press, 2021.