Languages of the European Union languages, Latvian and Lithuanian; the Celtic languages, including Irish; and Greek are also Indo-European. Outside the Indo-European family, Estonian, Finnish, and Hungarian are Uralic languages while Maltese is the only Afroasiatic language with official status in the EU. The Basque language, a language isolate whose roots are unknown, is an official language in some parts of northern Spain, but not an official language of the EU. Most official EU languages are written in the Latin script. The two exceptions are Greek, which is written in the Greek script, and Bulgarian, which is written in Cyrillic script. With the accession of
Uralic languages Uralic languages. Major researchers of this period included Heikki Paasonen (studying especially the Mordvinic languages), Yrjö Wichmann (studying Permic), Artturi Kannisto (Mansi), Kustaa Fredrik Karjalainen (Khanty), Toivo Lehtisalo (Nenets), and Kai Donner (Kamass). The vast amounts of data collected on these expeditions would provide edition work for later generations of Finnish Uralicists for more than a century. The Uralic family comprises nine undisputed groups with no consensus classification between them. (Some of the proposals are listed in the next section.) An agnostic approach treats them as separate branches. Obsolete or native names are displayed in italics. There is also historical