Cataloging Foreign Language Materials
Library of Congress Authorities
Library of Congress Cataloging
OCLC Bib Formats and Standards
OLAC (Online Audiovisual Catalogers)
Checklist for Editing Audio Recordings Rev. 4-2021
Checklist for Editing Video Recordings Rev. 1-2022
Checklist for Editing Books Rev. 6-2019
Editing Guide for Genre and Form Terms for Fiction and Graphic Novels Rev. 1-2021
Item Records Manual Rev. 1-2021
Merging duplicate records in Polaris Rev. 3-2019
YouTube.com has many different videos on Cataloging, RDA, and MARC.