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http://www.loc.gov/marc/RDAinMARC.html
http://www.loc.gov/aba/pcc/rda/PCC%20RDA%20guidelines/Post-RDA-Implementation-Guidelines.html
Organizations
http://bcc.musiclibraryassoc.org/BCC-Historical/BCC2013/RDA_Best_Practices_for_Music_Cataloging.pdf
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Adam Schiff's presentations, exercises, etc. http://faculty.washington.edu/aschiff/
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
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