Content Comparison

...

Adam Schiff's presentations, exercises, etc. http://faculty.washington.edu/aschiff/

Resource Description & Access (RDA) Basics for Copy Catalogers (video) http://youtu.be/6IUyBaDdc8c

Information by topic

GMD mapped to 33x, and Unit of Extent, with MARC fixed fields by Thomas Brenndorfer  http://special-cataloguing.com/misc/gmd_to_cmc_and_extent_20120330.pdf

...