Currently in progress is a publication in four volumes about standard gauge 050 tank locomotives, which carries the title "Schwere Brocken" (Heavy Hunks). The third volume was published end of 2018 in the "Herdam Verlag".
The official presentation happened on April 6th 2019 at the Zeche Zollern:
As complement to the printed version, the interested reader can find below some additional compilations. These represent the current status while being regularily supplemented:
- List of used literature
- List of names
- List of locations
- Register of companies and institutions [comes in 2023]
- Register of locomotives [comes in 2023]
- Corrections and additions (all volumes; in German only)
