Most of the marketing was done through correspondence and sending out samples.

Through correspondence Dresser learned they were in a desperate financial situation.

It is unclear if the authors worked together, either through correspondence or in person on this work.

In the early years, instruction was done through conventional correspondence.

This paper is based on a pilot survey conducted through correspondence.

A small number remain on the island and carry out their secondary education through correspondence.

Any connection he had with the larger struggle was through correspondence.

He continued to support the community in Salamanca through correspondence.

We carried on a relationship through correspondence, even though she sat across from me.

His public career then ended, but he continued to have influence over Charles through correspondence.