Steps
Create in inventory 2 recourses:
1) With $v or $x or $y or $z subfields for Marc 111 field
2) Without $v or $x or $y or $z subfields for Marc 111 field
Find recourse in linked data editor
Perform GET {{host}}/graph/resource/resource_id
Copy ID of http://bibfra.me/vocab/lite/creator"
Perform GET {{host}}/graph/resource/creator_id

AR
$e field isn’t returned in http://bibfra.me/vocab/lite/label

ER
$e presents same as all other fields, check the screens