@article{blakexxxxgrammar,
  title = {A grammar of the Tagalog language: the chief native idiom of the Philippine islands},
  author = {BLAKE, Frank R.},
  xn-author = {blake, frank r.},
  year = {xxxx},
  keywords = {Philippines;Language;Linguistics},
  BAS = {91687},
  check = {blake:xxxx:grammar},
  source = {bas},
}