@book{numophylacium-eckhel-doctrina-4,
  title = {Doctrine of Ancient Coins, vol. 4},
  originaltitle = {Doctrina Numorum Veterum, pars prima, vol. 4},
  author = {Josef Hilarius Eckhel},
  year = {1795},
  series = {Doctrina Numorum Veterum},
  volume = {4},
  language = {Latin},
  url = {https://numophylacium.com/works/eckhel-doctrina-4/},
  pdf = {https://numophylacium.com/library/doctrinanumorum04hohlgoog/doctrinanumorum04hohlgoog.pdf},
  note = {Digitized reference record in Numophylacium Graecum; source archive.org doctrinanumorum04hohlgoog}
}