@article{Keller2007,
  author    = {Volker Keller},
  title     = {Das Foto der Mannheimerin Constanze Mozart},
  journal   = {Badische Heimat},
  volume    = {87},
  number    = {1},
  pages     = {155 -- 156},
  doi       = {10.57962/regionalia-153},
  year      = {2007},
}