The first folio of Shake-speare,

Eitemau Tebyg

• Shake-speare's heraldic emblems : their origin & meaning /
  gan: Goldsworthy, William Lansdown
  Cyhoeddwyd: (1973)
• Bacon is Shakespeare : together with a reprint of Bacon's Promus of formularies and elegancies /
  gan: Durning-Lawrence, Edwin, Sir, 1837-1914
  Cyhoeddwyd: (1910)
• Bacon is Shake-speare /
  gan: Durning-Lawrence, Edwin, Sir, 1837-1914
  Cyhoeddwyd: (1910)
• The printing of the first folio of Shakespeare /
  gan: Willoughby, Edwin Eliott, 1899-1959
  Cyhoeddwyd: (1932)
• The printing of the First folio of Shakespeare.
  gan: Willoughby, Edwin Eliott, 1899-1959
  Cyhoeddwyd: (1969)