MILITARY CALENDAR FOR STUDENTS 1936/37. for the school year. II year march. Compiled by First Lieutenant Vilis Akermanis in Riga in 1936. Publishing house "SCHOOL MILITARY LITERATURE"
1- Methodology of the Latvian language for primary schools in 1938. 2 - Latvian verbs with German-Russian translations and grammatical explanations. 1927 3- Latvian writing elementary school course. 1942