 His works, although written in a simple language and style, meant for the barely educated 18th century Latvians, promoted the education in Latvian schools throughout the whole 19th century.His Latvian grammar book and a dictionary was used not only by Latvians and Baltic Germans, but also by foreign linguists from all over the Europe.Stender along with Johann Gottfried Herder was the first author who analysed Latvian folk-songs (see