@book{numophylacium-ajn-15-18,
  title = {American Journal of Numismatics, vols. 15–18},
  author = {American Numismatic Society},
  year = {1880},
  series = {American Journal of Numismatics},
  volume = {15–18},
  language = {English},
  url = {https://numophylacium.com/works/ajn-15-18/},
  pdf = {https://numophylacium.com/library/AJN1880Vols15to18/AJN1880Vols15to18.pdf},
  note = {Digitized reference record in Numophylacium Graecum; source archive.org AJN1880Vols15to18}
}