“Moderne Keramik des 20. Jahrhundrets – catalogue of the collection

 Hinder/Reimers  des Landes Rheinland-Pfalz“ by art historian

Dr. Ingrid Vetter, among others 13 works by Aage Birck from 1980 to

 1987, ISBN: 978-3-89790-275-6, Arnoldsche, Germany.