Herbert correspondence :
Smith, William James.
Herbert correspondence : the sixteenth and seventeenth century letters of the Herberts of Chirbury, Powis Castle and Dolguog, formerly at Powis Castle in Montgomeryshire. - Cardiff; Dublin : University of Wales Press; Irish Manuscripts Commission, 1963. - 412p. - University of Wales. Board of Celtic Studies. History and law series;vol.21 . - University of Wales. Board of Celtic Studies. History and law series;vol.21 .
Herbert family.
Herbert correspondence : the sixteenth and seventeenth century letters of the Herberts of Chirbury, Powis Castle and Dolguog, formerly at Powis Castle in Montgomeryshire. - Cardiff; Dublin : University of Wales Press; Irish Manuscripts Commission, 1963. - 412p. - University of Wales. Board of Celtic Studies. History and law series;vol.21 . - University of Wales. Board of Celtic Studies. History and law series;vol.21 .
Herbert family.