Modern Logic 1 (1990/91), H. 2/3 (Winter 1990/91), Special issue commemorating the centenary of the publication of the first volume of Ernst Schröder’s Vorlesungen über die Algebra der Logik
V. Peckhaus, ed., Modern Logic 1 (1990/91), H. 2/3 (Winter 1990/91), Special Issue Commemorating the Centenary of the Publication of the First Volume of Ernst Schröder’s Vorlesungen Über Die Algebra Der Logik, 1991.