References
Hans Joachim Gernentz
Tonnies Fenne's low German manual of spoken Russian, Pskov 1607
1961
with Fenne Tonnies, Hammerich Louis Leonor, Jakobson Roman, Van Den Baar A H (ed)
Copenhagen, Royal Danish Academy of Sciences and Letters
1961
with Fenne Tonnies, Hammerich Louis Leonor, Jakobson Roman, Van Den Baar A H (ed)
Copenhagen, Royal Danish Academy of Sciences and Letters