@article{503421,
      recid = {503421},
      author = {Bunyan, John,},
      title = {Bywyd a marwolaeth yr annuwiol dan enw Mr. Drygddyn. Wedi  ei annerch i'r byd mewn ymddiddan cyfeillgar rhwng Mr.  Doethineb a Mr. Ystyriol. Gan Joan Bunyan ... Wedi ei  gyfieuthu i'r gymraeg gan T. Lewys ... At yr hwn y  chwanegwyd bywyd a marwolaeth Joan Bunyan. ... [electronic  resource].},
      publisher = {argraphwyd gan N. Thomas ac I. Williams,},
      address = {Caerfyrddin :},
      pages = {236p. ;},
      year = {1731},
      note = {Reproduction of original from Harvard University  Libraries.},
      url = {http://library.usi.edu/record/503421},
}