The Baltic group includes Lithuanian, Latvian and Old Prussian, while the Slavic group includes the many languages of Eastern Europe, such as Russian, Ukrainian, Polish, Czech, Serbo-Croatian and Bulgarian.
  • Carlton, T. R. (1991). Introduction to the phonological history of the Slavic languages. Columbus, OH: Slavica Publishers.
    Olin PG76.C365x 1991

    A detailed history of Slavic phonology from PIE to the modern languages.

  • Endzelíns, J. (1971). Comparative phonology and morphology of the Baltic languages. Berlin: De Gruyter.
    available online

    Easy to use.

  • Fraenkel, E. (1962). Litauisches etymologisches Wörterbuch. Heidelberg: C. Winter.
    Olin PG8575.F79 in room 501

    An excellent etymological dictionary of Lithuanian.

  • Historical Phonology of the Slavic Languages series. Heidelberg: C. Winter.
    find them here

    A set of seven books on the historical phonology of various Slavic languages, each starting from Common Slavic and proceeding to the present-day language.

  • Lunt, H. G. (2001). Old Church Slavonic grammar (7th ed.). Berlin: Mouton de Gruyter.
    Olin PG619.L8 2001 in room 501

    The best grammar of Old Church Slavonic in English.

  • Schmalstieg, W. R. (1974). An Old Prussian grammar: The phonology and morphology of the three catechisms. University Park: Pennsylvania State University Press.
    Olin PG8204.S34 in room 501

    Useful and accessible.

  • Stang, C. S. (1942). Das slavische und baltische Verbum. Oslo: I kommisjon hos J. Dybwad.
    Annex Oversize AS283.N86 H6 1942 no.1 +

    Covers the historical development and morphology of the Balto-Slavic verb.

  • Vaillant, A. (1950). Grammaire comparée des langues slaves. Lyon: IAC.
    Olin PG59.V13 in room 501

    The most thorough comparative Slavic grammar; also covers the daughter languages.

  • Vasmer, M. (1953). Russisches etymologisches Wörterbuch. Heidelberg: C. Winter.
    Olin PG2580.V32

    The standard etymological dictionary of Russian.