23 manuscript notebooks concerning the Finnish (Suomi) language. Notebooks are classified as follows: "Aryan Roots in the Finn Language, 1857" - 1 vol.; "Examples of Variations in the forms of Finn words, 1858" - 1 vol.; "The Finn Mythology, 1858" - 1 vol.; "On the Source of certain Finn words of doubtful origin, 1858" - 1 vol.; "The Swedish element compared with the Finn variants, 1858" - 1 vol.; "Examples to illustrate Finn Grammar, 1859" - 1 vol.; "Sirjanian Vocabulary, 1859" - 2 vols.; "The Swedish element in Suomi, 1861" - 3 vols.; "Finn roots common to the Aryan family of languages, 1861" - 1 vol.; "Appendix to Gustaf Renvall's Suomalainem Sana-Kirja, 1862" - 1 vol.; "The Lap language compared with the Finn, 1864" - 1 vol.; "Comparative Vocabulary of Finn Dialects," [n.d.] - 1 vol.; "Indo-European Roots," [n.d.] - 1 vol.; "Notes on Gall's Concordance of the New Testament," [n.d.; James Gall (1784?-1874)] - 1 vol.; "Vocabulary of the Suomi language as spoken in Finland," [n.d.] - 4 vols.
