field_i_picture
vf_node_sources
| vf_node_pictures_cover | title (source) | field_cer_item | field_cer_web | s1 | s2 | |
|---|---|---|---|---|---|---|
|
Chinese Military Aviation 1912-1937 Volume 1: Air Forces in Beijing and Guangzhou, 1912-1927 | 61 |
vf_node_webs
| title (web) | field_t_title_web | |
|---|---|---|
| https://www.helion.co.uk/images/books/i2/helion1001773.jpg.pagespeed.ce.PyuTUSCHgI.jpg |
field_t_subtype
cover
fr_quality