The dictionary of national biography, 1986-1990 : with an index covering the years 1901-1990 in one alphabetical series

Eitemau Tebyg

• The Dictionary of national biography, with an index covering the years 1901-1980 in one alphabetical series
  Cyhoeddwyd: 1986
• The Dictionary of national biography, with an index covering the years 1901-1985 in one alphabetical series
  Cyhoeddwyd: 1990
• The Dictionary of national biography, with an index covering the years 1901-1970 in one alphabetical series
  gan: Williams, Edgar Trevor, 1912-1995.
  Cyhoeddwyd: 1981
• The Dictionary of National Biography : [ twentieth century]. 1941-1950 : with an index covering the years 1901-1950 in one alphabetical series
  gan: Legg, Wickham L.-G.
  Cyhoeddwyd: 1982
• The Dictionary National Biography : [ twentieth century ] : 1951-1960 : with an index covering the years 1901-1960 in one alphabetical series
  gan: Williams, Edgar T.
  Cyhoeddwyd: 1971