"She thinks me old," he thought; and it was an amazement to him, for only last year he was still fifty-nine, still in the fifties, and the fifties, once one was used to them, were nothing at all.
"The Pastor's Wife"
Elizabeth von Arnim
"You ought to hear my father tell about some of his campaigns 'way back in the fifties," remarked Jack.
"Throckmorton"
Molly Elliot Seawell
In her late forties and early fifties, she was still "the most gorgeous Lady Blessington," still as lovely, as magnetic, as adorable as in her teens.
"Superwomen"
Albert Payson Terhune