Committed to retain ; Authorization: Deposition copy Hamburg ; Institution: Hamburg SUB
Committed to retain; Date of action: 2020 ; Authorization: Deposition copy North Rhine-Westphalia ; Institution: Bonn ULB
Committed to retain; Note: f eingeschränkte Benutzung; Volumes: 1954 - 1957; 8.1958 - ; Date of action: 201811 ; Authorization: Speicherverbund Nord ; Institution: Bremen SuUB
Committed to retain; Note: IGPP; Volumes: 69.2019,29/30; Date of action: 2025 ; Authorization: SLG ; Institution: Freiburg UB