According to George Prager, Head of Cataloging at the NYU Law Library, the examples offered by the Library of Congress illustrate differences between Anglo American Cataloging Rules Second Edition (AACR2 )and Resource Description and Access (RDA). Some examples have only a few fields; others are more complete. Some are made-up examples. Some examples illustrate more than one category but only appear in one category. RDA citations and other comments accompany some examples.
To see the various categories of examples offered, with commentary, go to: