The contribution presents the archives referring to the
Istrian educational system in the northern part of school
districts Koper and Volosko (school chronicles, the archives
of the District School Inspectorate Jelsane), (still)
not published treatise dealing with the Slovene-Croat
linguistic boundary in Istria and the archives on Istria in
the archive groups Association of Austrian Yugoslav
Teachers Societies (until 1920) which linked up also four
Istrian teachers societies.