Persian letters / Montesquieu, Charles de Secondat baron de, 1689-1755.

Letters from Africa / Frankel, Hazel.

Tricky business letters

Letters to my son / Breier, Mignonne.

Letters of a Peruvian woman / Grafigny, Mme de (Françoise d'Issembourg d'Happoncourt), 1695-1758.

Letters to his wife, 1915-1970 / Heidegger, Martin, 1889-1976.

The world republic of letters / Casanova, Pascale.

Wordsworth : a life in letters / Wordsworth, William, 1770-1850.

History of psychology in letters Benjamin, Ludy T.

Effective letters for every occasion / Hawley, Casey Fitts.

Sales letters ready to go / Dugan, Eleanor, 1937-

Letters to a young poet / Rilke, Rainer Maria, 1875-1926, author.