Hello,
Currently on ebay is a photo of Friedrichshafen FF 33e No.716 at:
https://www.ebay.de/itm/294343118124...4AAOSwP8VhHPE8
There is a further FF 33e No.56* at:
https://www.ebay.de/itm/294343121160...AAAOSwzeVhHPHH
There is also a photo of Friedrichshafen FF 33h,although I think this one may have been seen before, at:
https://www.ebay.de/itm/294343121495...UAAOSwqU5hHPHy