MARC 21

Some Important Marc 21 Tags 

📘 010 – Library of Congress Control No.

📗 020 – ISBN

📚 040 – Cataloguing Source

📖 100 – Main Entry – Personal Name

📝 110 - Entries for Corporate Body

📋 111 – Entries for Conf. & Other meetings

📕 130 – Main Entry – Uniform Title

📙 240 – Uniform Title (Where there is main entry under 100,110 or 111)

📔 245 – Title Statement

📌 246 – Varying form of title

📎 250 – Edition Statement

📍 260 – Publication, Distribution, etc. (Imprint)

📏 300 – Physical Description

📓 440 – Series Statement/Added Entry – Title

📒 490 – Series Statement

📝 500 – General Note

📋 501 – With Note

📌 504 – Bibliography, etc. Note

📎 505 – Formatted Contents Note

📍 520 – Summary etc. Note [indicators: Summary-blank, Subject-0, Review – 1, Scope & content – 2, Abstract – 3, Content advice – 4]

📏 521 – Target Audience Note

📓 534 – Original Version Note

📒 561 – Ownership and custodial history

📝 563 – Binding information

📋 59x – Local notes

📌 600 – Subject Added Entry – Personal Name

📎 610 – Subject Added Entry – Corporate Name

📍 650 – Subject Added Entry – Topical Term

📏 651 – Subject Added Entry – Geographical Name

📓 700 – Added Entry – Personal Name

📋 740 – Added Entry – Uncontrolled related analytical title

📌 760 – Main Series Entry

📒 800 – Series Added Entry – Personal Name

📝 830 – Series Added Entry – Uniform Title