Columbia subject headings:
Russian language--To 1300--Textbooks for foreign speakers--Low German.
Harvard subject headings:
Fenne, Tönnies, active 1607-1609. Low German manual of spoken Russian, Pskov, 1607.
Fenne, Tönnies, active 1607-1609. Low German manual of spokenRussian, Pskov, 1607.
Low German language--Glossaries, vocabularies, etc.
Russian language--1300-1700--Glossaries, vocabularies, etc.
Russian language--1300-1700--Textbooks for foreign speakers--Low German.
Princeton subject headings:
Russian language--To 1700--Textbooks for foreign speakers--Low German.