[Buckeye30]

Hi Stig. Not a book but there are many references to Pascoe and Sadler on the net including these. Just go down the pages.
It looks like 2 of the Nieuport batch A6790--6798 were 17s (6792 and 6795), the others were 23s.
Cheers
Nick



https://airwar19141918.wordpress.com...-squadron-rfc/
http://www.theaerodrome.com/forum/sh...ad.php?t=67761
http://www.theaerodrome.com/forum/sh...ad.php?t=67795
https://www.greatwarforum.org/topic/...rrebee-sadler/