Howard Malcolm Ballou, Oregon Historical Quarterly (1922)
“ In a letter to the A. B. C. F. M. dated Nez-Perces Mission House, February 16, 1837, Rev. H. H. Spalding, the missionary in charge of the station at Clear Water or Lapwai says: "Judging from the present, this people will probably acquire the English, before we do the Nez-Perces language, though we flatter ourselves, that we are making good progress. ”
