He was greatly interested in virtuosity, as we know from his letters.

For the first time I realized that Celia would know all about me from my letters to Aunt Louise.

But no papers of apprenticeship exist and we also know from his letters that he studied with a Mr. Harris.

He knew from Sean's letters how angry and desperate their people were and that once or twice a year they held local meetings.

We already knows from her letters that things were bad 'tween her and David and Hannah.

It is known from his letters that during the time of his youth there had been collaboration with Marie d'Agoult.

You knew from Norma Kay's letters that she'd had an affair with him.

Their impression of Liszt is known from their letters.

But it is known from their letters that during their stay in Fontainebleau they became engaged.

I saw he had been tempted; I knew from his letters that he was in no condition to resist.