@book{biddulph1880,
  address   = {Calcutta},
  author    = {Biddulph, J.},
  key       = {Biddulph (1880)},
  pages     = {364},
  publisher = {Office of Superintendent Printing},
  title     = {Tribes of the Hindoo-Koosh},
  year      = {1880}
}