He had not yet heard from home, and had only written once.

Here is another that was written once at the end of the lesson:

She has written once to me, and twice to my father.

Harry has only written once to me since he went away.

He has written once already; why shouldn't he again?

I shall read what I have written once more, and then I shall go to bed.

Anything really new is written once in a thousand years, all the rest is repetition, dilution, compilation.

Alas, as was written once, it is often the higher nature that yields, because it is the most generous.

He had written once, immediately after Sands' departure, and had telegraphed congratulations on reading the news of Roger's marriage.

I have written once.

He produced the letter written once by Maharajah Howrah to the Alwa-sahib and sent by galloper with the present of a horse.

Mount Rorke has only written once since my marriage, and then it was to say he never wished to see me again.

Roger had written once after reaching Paris, a letter full of hope, which had arrived a few days before Captain Oliphant's death.

He had written once from Frampton to say that he was 'laid up bad with the rheumatics,' and was probably going into the Frampton Infirmary.

Written once more in nature's holiest strain:

"Jim he've written once ter the sister o' he," Captain Sammy told me one day.