Scope note: This property describes the CRM Entities documented by instances of E31 Document. Documents may describe any conceivable entity, hence the link to the highest-level entity in the CRM hierarchy. This property is intended for cases where a reference is regarded as being of a documentary character, in the scholarly or scientific sense. Examples: - the British Museum catalogue (E31) documents the British Museum's Collection (E78) In First Order Logic: P70 (x,y) ⊃ E31(x) P70 (x,y) ⊃ E1(y) P70(x,y) ⊃ P67(x,y)