Hello,
Currently on ebay there are several photo albums of US Army aircraft in the 1920s at:
https://www.ebay.com/itm/39384964330...UAAOSw7Cdh1zgl
https://www.ebay.com/itm/27509323318...IAAOSwJRxh1zd2
https://www.ebay.com/itm/39384962740...gAAOSwRAdh1zXI
There are several other items from the same seller covering roughly the same period at:
https://www.ebay.com/sch/bk.sales/m....75.m3561.l2562
Hopefully they are of interest.
Regards,
Clint