James Constantine Pilling, Catalogue Of Linguistic Manuscripts In The Library Of The Bureau Of Ethnology…
“ Isaac I. Stevens in "Explorations for a route for the Pacific Railroad near the 47th and 49th parallels of north latitude," became interested in the study of the languages of the Indians inhabiting the Northwest, and collected many vocabularies. To further extend this work, he prepared and had printed a folio paper of three leaves entitled "A vocabulary of 180 words which it is desired to collect in the different languages and dialects throughout the Pacific Coast for publication by the Smithsonian Institute at Washington." ”
