vf_node_title_variants
field_t_subtype
category
vf_node_webs
| title (web) | field_t_title_web | |
|---|---|---|
| https://en.wikipedia.org/wiki/Category:Sleeve_valve_engines |
vf_node_category-items
| title (item) | ID | |
|---|---|---|
| Bristol Centaurus | 85149 | |
| Bristol Hercules | 203051 | |
| Rolls-Royce Crecy | 195031 | |
| sleeve valve - Schiebermotor | 195041 |
fr_importance