Europe Europe, they are spoken in Central, Eastern, and Southeastern Europe. Romance languages are spoken primarily in south-western Europe as well as in Romania and Moldova, in Eastern Europe. Germanic languages are spoken in Northern Europe, the British Isles and some parts of Central Europe. Other Indo-European languages outside the three main groups include the Baltic group (that is, Latvian and Lithuanian), the Celtic group (that is, Irish, Scottish Gaelic, Manx, Welsh, Cornish, and Breton), Greek, Armenian, and Albanian. A distinct non-Indo-European family of Uralic languages (Estonian, Finnish, Hungarian, Erzya, Komi, Mari, Moksha, and Udmurt) is spoken mainly in Estonia, Finland,
Uralic languages published the most complete work on Finno-Ugric to that date. Up to the beginning of the 19th century, knowledge on the Uralic languages spoken in Russia had remained restricted to scanty observations by travelers. Already Finnish historian Henrik Gabriel Porthan had stressed that further progress would require dedicated field missions. One of the first of these was undertaken by Anders Johan Sjögren, who brought the Vepsians to general knowledge and elucidated in detail the relatedness of Finnish and Komi. Still more extensive were the field research expeditions made in the 1840s by Matthias Castrén (1813–1852) and Antal Reguly (1819–1858), who