Discovery of the elements ed by Herry M Leicester /

Eitemau Tebyg

• Rogue Herries /
  gan: Walpole, Hugh
• Herries Chronicle /
  gan: Walpole, Hugh
  Cyhoeddwyd: (1939)
• Elizabeth and Leicester /
  gan: Waldman, Milton
  Cyhoeddwyd: (1946)
• DISCOVERY OF THE ELEMENTS
  gan: WEEKS Elvira Mary and LEICESTER,Henry M.
  Cyhoeddwyd: (1968)
• DISCOVERY OF ELEMENTS
  gan: WEEKS,ME
  Cyhoeddwyd: (1960)