@book{21,
  keywords = {Metamorphic pictures},
  title = {Blue Beard},
  year = {1809},
  volume = {Engraved illustrations},
  number = {Vol. No. 35 in series},
  month = {01/1809},
  publisher = {B. Tabart & Co.},
  address = {[London], England},
  note = {Published June 1},
  language = {English},
}