Please note that your choice of borrowing branch library affects which collection points you will be offered when ordering or reserving items. It is also relevant for deciding the loan status of items ('for loan', 'for order', etc.)
Decheniana : Verhandlungen d. Naturhistorischen Vereins der Rheinlande und Westfalens. Decheniana-Beihefte. - Bonn: Selbstverlag des Naturhistorischen Vereins der Rheinlande und Westfalens, 1955-, ISSN 0416-833X Nr. 1.1955 - 39.2001; 40.2015 -