2xx The essential 2XX fields commonly used in MARC21 records with their respective indicators, subfields, descriptions, and examples: 200 - Title Proper : Indicators : Both indicators are typically undefined or contain blank values. Subfield $a : Title proper (Example: Harry Potter and the Sorcerer's Stone) Subfield $b : Remainder of title (Example: Part 1) Subfield $f : Date of a work (Example: 1997) Subfield $g : Miscellaneous information (Example: Audiobook version) Subfield $h : Medium (Example: Sound recording) 210 - Abbreviated Title : Indicators : Both indicators are typically undefined or contain blank values. Subfield $a : Abbreviated title (Example: HPSS) 222 - Key Title : Indicators : Indicator 1 is typically set to "0" (used) and indicator 2 is undefined. Subfield $a : Key title (Example: Proceedings of the International Conference on Machine Learning) 240 - Uniform Title : Indicators : Both indicators are typically undefined or contain blank values. Subfield $a : Uniform title (Example: Bible. New Testament. Greek) 242 - Translation of Title : Indicators : Indicator 1 is typically set to "0" (used) and indicator 2 is undefined. Subfield $a : Title proper (Example: Harry Potter and the Philosopher's Stone) Subfield $b : Remainder of title (Example: Part 1) Subfield $n : Number of part/section (Example: Book 1) 245 - Title Statement : Indicators : Indicator 1 is typically set to "1" (title added entry) or "0" (no added entry). Indicator 2 depends on whether the title is intended to be displayed in a non-filing position. Subfield $a : Title proper (Example: Harry Potter and the Sorcerer's Stone) Subfield $b : Remainder of title (Example: Part 1) Subfield $c : Statement of responsibility (Example: J.K. Rowling) 246 - Varying Form of Title : Indicators : Indicator 1 is typically set to "3" (title added entry) or "0" (no added entry). Indicator 2 depends on whether the title is intended to be displayed in a non-filing position. Subfield $a : Title proper (Example: Sorcerer's Stone) 247 - Former Title : Indicators : Indicator 1 is typically set to "0" (used) and indicator 2 is undefined. Subfield $a : Title proper (Example: Harry Potter and the Philosopher's Stone) 250 - Edition Statement : Indicators : Both indicators are typically undefined or contain blank values. Subfield $a : Edition statement (Example: First American edition) 254 - Musical Presentation Statement : Indicators : Both indicators are typically undefined or contain blank values. Subfield $a : Musical presentation statement (Example: Solo version)