A prototype resource similar in scope to MERIC, was created by Anita
Coleman, the author of many of the papers you may have found about MERIC.
MACE is still available:
The MACE clearinghouse tries to bring together networked electronic (online)
resources that will be useful for teaching and learning in the area of
metadata, cataloging, classification, indexing, information architecture,
knowledge organization and management. More than 200 unique resources are
currently available in the clearinghouse.