Yale University Orbis Machine Status: Local | OCLC Cataloging Tools & Resources | General Reference Authority Control | Macro Express | Training/Professional Development RDA RDA Toolkit Term and Code List for (336) RDA Content Types Term and Code List for (337) RDA Media Types Term and Code List for (338) RDA Carrier Types Library of Congress RDA Page MARC 21 Encoding to Accommodate new RDA Elements OCLC RDA Resource Page PCC Training Manual for applying Relationship Designators in Bibliographic Records YUL RDA C&T Training YUL RDA SharePoint Site YUL RDA Short Checklists MARC Counting non-filing indicators in MARC 21 bibliographic records (PCC) Initial definite and indefinite articles (LC) MARC Standards (LC) Understanding MARC (LC) Value Lists for Codes & Controlled Vocabularies Abbreviations AACR2 Abbreviations (Roman Alphabet) (Yale) Abbreviations of the Names of Months (Yale) Abbreviations for Captions (Cornell) Description & Access African languages cataloging Days of the week/Months of the year [use with caution] Descriptive Cataloging of East Asian Material (LC - AACR2) End punctuation for variable fields (Yale) Fraktur chart (Yale) Greek Usage in Cataloging (Princeton) Julian date converter (USNO) Metric conversions Roman numeral conversion Romanization tables (ALA/LC) Effective Date: February 26, 2021 Printer-friendly versionPDF version