He made another unconfirmed claim on 4 April 1917.

He had one more unconfirmed claim while flying the FB.5, on the second day of the new year.

The next two days brought unconfirmed claims, the latter of which was shared with Suk.

Despite unconfirmed claims of his execution, new vigils and protests were held for Johnston.

He had an unconfirmed claim the following month.

His unconfirmed claim that a wild girl hides in the park has led people to perceive him as deranged.

He had two unconfirmed claims in late 1917.

Two days later, he scored one and had another unconfirmed claim.

Seven more unconfirmed claims for aerial victories while flying the Nieuport 11 closed out 1917.

The records do show at least three unconfirmed claims by Schmidt.