@book{Ward-1936,
  address    = {Cambridge, U. K.},
  author     = {Ward, Ida Caroline},
  publisher  = {W. Heffer and Sons},
  title      = {An introduction to the Ibo language},
  year       = {1936},
  iso_code   = {ibo},
  olac_field = {typology; general_linguistics; syntax},
  wals_code  = {igb}
}