are shown in an italic typeface. In FRBROO class and property hierarchies aligned with CIDOC CRM class and property hierarchies, distinct layouts are used for classes and properties from FRBROO, on the one hand, and for classes and properties from CIDOC CRM, on the other hand. 2.5.1. FRBROO Class Hierarchy F1 Work F14 Individual Work — F17 Aggregation Work — — F15 — Complex Work F18 Serial Work — — F16 Container Work — F17 — — Aggregation Work F19 Publication Work — — F18 — — Serial Work — F20 Performance Work — — Recording Work F21 — F2 Expression F22 Self-Contained Expression — F24 Publication Expression — — F25 Performance Plan — — F26 — — Recording F23 Expression Fragment — F34 KOS — F35 Nomen Use Statement — F3 Manifestation Product Type F4 Manifestation Singleton F54 Utilised Information Carrier F5 Item — F53 Material Copy — F6 Concept F7 Object F8 Event F9 Place F10 Person F11 Corporate Body F12 Nomen F13 Identifier — F50 Controlled Access Point — — F27 Work Conception F28 Expression Creation F29 Recording Event — F30 — Publication Event F31 Performance F32 Carrier Production Event F33 Reproduction Event F36 Script Conversion F38 Character
are shown in an italic typeface. In FRBROO class and property hierarchies aligned with CIDOC CRM class and property hierarchies, distinct layouts are used for classes and properties from FRBROO, on the one hand, and for classes and properties from CIDOC CRM, on the other hand. 2.5.1. FRBROO Class Hierarchy F1 Work F14 — Individual Work F17 — — Aggregation Work F15 — Complex Work F18 — — Serial Work F16 — Container Work F17 — — Aggregation Work F19 — — Publication Work F18 — — — Serial Work F20 — — Performance Work F21 — Recording Work F2 Expression F22 — Self-Contained Expression F24 — — Publication Expression F25 — — Performance Plan F26 — — Recording F23 — Expression Fragment F34 — KOS F35 — Nomen Use Statement F3 Manifestation Product Type F4 Manifestation Singleton F54 Utilised Information Carrier F5 — Item F53 — Material Copy F6 Concept F7 Object F8 Event F9 Place F10 Person F11 Corporate Body F12 Nomen F13 — Identifier F50 — — Controlled Access Point F27 Work Conception F28 Expression Creation F29 — Recording Event F30 — Publication Event F31 Performance F32 Carrier Production Event F33 Reproduction Event F36 Script Conversion F38 Character