Association edition "Small contributions to monuments and history in Bonn on the right bank of the Rhine". Booklet size 21×21, richly illustrated, colour cover, paperback. All volumes of this series cost 5,- Euro each.

Booklet 6
Ros Sachsse-Schadt and Christof Baier:
Lede Castle. Between historicism and modernism
Format 21×21, col. cardboard covers, adhesive binding - 48 p., many bw-w. a. col. ill.
Bonn 2020 - ISBN 978-3-0812164-9-3

Booklet 4
M. Spata:
The millennium flood of 1784 in Bonn and Beuel
2017. 40 pages
ISBN 978-3-9812164-5-5

Booklet 3
Helga E. Bachem-Bönsch:
The stained glass windows of St. Peter in Vilich
2015. 48 pages
ISBN 978-3-9812164-3-1

Booklet 2
Dorothee Haentjes-Holländer:
The pilgrimage church of St. Adelheid am Pützchen. Discovery of an art space
2015. 48 pages
ISBN 978-3-9812164-4-8

Booklet 1
Rudolf Schmidt:
The Finkenberg in the national survey
2015. 24 pages
ISBN 978-3-9812164-2-4