The Supplement, consisting of an Author Title and a Subject list, contains microforms and digital resources released between the new editions published annually. It appears six months after the main volumes.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.