@article{DA,
      url = {http://digitalcollections.ohsu.edu/record/4822},
      title = {George Frederick Koehler, M.D.},
      abstract = {Sepia tone class photograph of George Frederick Koehler,  M.D.},
      number = {DA},
      doi = {https://doi.org/10.6083/M4WD3Z0R},
      recid = {4822},
      address = {1897},
      year = {1897},
}