Vols. 1-5, 1949-53, in v. 5; v. 6-10, 1954-58, in v. 10.; v. 11-15, 1959-63, in v. 15; v. 16-20, 1964-1968, in v. 20
Vols. for 1969- have companion journal: Lehrmittel Aktuell, which is issued also as a companion journal to: Westermann's pädagogische Beiträge, and other similar journals.