@inbook{Ingersoll1866addressthe,
  author    = {Ingersoll, Robert G.},
  title     = {Address to the 86th Illinois Regiment},
  booktitle = {The Works of Robert G. Ingersoll, Dresden Edition},
  publisher = {C. P. Farrell},
  address   = {New York},
  volume    = {9},
  year      = {1866},
  url       = {https://thegreatagnostic.com/works/address-to-the-86th-illinois-regiment/},
  note      = {Public domain. Dresden Edition identifier: dresden:vol-9:address-to-the-86th-illinois-regiment}
}