@misc{indiciae9f586bfdbedb,
  title = {Butter, its analysis and adulterations; specially treating on the detection and determination of foreign fats — Illustration, BHL page 23618087},
  year = {1877},
  url = {https://www.biodiversitylibrary.org/page/23618087},
  note = {Source identifier: page-23618087}
}