As an amateur(ish) historian, it is not always in keeping to reference the sources used, particularly not in the text of the fiction. However, it is only right and proper that I should acknowledge as far as I can the material that has led to These Matters and that informs its portrayal of the real historical characters. See the link under the main Research link for relevant novels by a variety of authors.
Peter Ackroyd
The History of England Volume II: The Tudors, 2012
Stephen Alford
The Watchers: A Secret History of the Reign of Elizabeth I, 2012
Edward VI: The Last Boy King, 2014
Harold Armitage
Chantrey Land, 1910
Hugh Bicheno
Elizabeth's Sea Dogs, 2012
S T Bindoff
Ket's Rebellion, 1549, 1949
Tudor England, 1950
Jerry Brotton
This Orient Isle, 2016
Philip Caraman
The Western Rising, 1549: The Prayer Book Rebellion, 1994
Hester W. Chapman
Anne Boleyn, 1974
Lady Jane Grey, 1941
Julian Cornwall
Revolt of the Peasantry, 1549, 1977
A.G. Dickens
The English Reformation, 1964
Jane Dunn
Elizabeth & Mary, 2003
Geoffrey Elton
England Under the Tudors, 1955
Reformation Europe 1517-1559, 1963
Carolly Erickson
Bloody Mary, 1978
Anthony Fletcher & Diarmaid MacCulloch
Tudor Rebellions, 1968
George MacDonald Fraser
The Steel Bonnets, 1971
Leonie Frieda
Catherine de Medici: Renaissance Queen of France, 2003
G. B. Harrison (ed)
The Letters of Queen Elizabeth, 1935
Christine Hartweg
John Dudley: The Life of Lady Jane Grey's Father-In-Law, 2016
John Hayward
The Life and Raigne of King Edward the Sixth, 1630
Lisa Hilton
Elizabeth: Renaissance Prince, 2014
Dale Hoak
The King's Council in the Reign of Edward VI, 1976
Martin Hume
The Courtships of Queen Elizabeth, 1896
Robert Hutchinson
House of Treason: The Rise & Fall of a Tudor Dynasty, 2009
Eric Ives
Lady Jane Grey: A Tudor Mystery, 2009
W. K. Jordan
Edward VI: The Young King, 1968
Edward VI: The Threshold of Power, 1970
Jennifer Loach
Protector Somerset, 1994
Edward VI, 1999
(With Robert Tittler, Eds) The Mid Tudor Polity, c1540-1560, 1980
David Loades
Three Tudor Essays, 2014
John Dudley 1504 - 1553: Duke of Northumberland, Lord President of the Council, 2014
The Wyatt Rebellion, 2000
The Fighting Tudors, 2009
Diarmaid MacCulloch
Thomas Cranmer, 1996
Tudor Church Militant, 1999
John Maclean
The Life of Sir Thomas Seymour, Knight: Lord High Admiral of England and Master of the Ordnance, 1869
G.J. Meyer
The Tudors: Henry VII to Henry VIII, 2010
The Tudors: Lady Jane Grey to Elizabeth I, 2010
Ian Mortimer
The Time Traveller's Guide to Elizabethan England, 2014
Peter E. Newell
Symond Newell and Kett's Rebellion: Norfolk's Great Revolt against Enclosures, 1549, 2007
Alison Plowden
Lady Jane Grey: Nine Days Queen, 2003
Lady Jane Grey and the House of Suffolk, 1985
Tudor Women: Queens and Commoners; 1979
Linda Porter
Mary Tudor: The First Queen, 2007
Sir Maurice Powicke
The Reformation in England, 1941
Jasper Ridley
A Brief History of the Tudor Age, 2002
A.L. Rowse
The England of Elizabeth
The Elizabethan Renaissance: The Life of the Society
The Elizabeth Renaissance: The Cultural Achievement, 1972
Frederick William Russell
Kett's Rebellion in Norfolk, 1859
Margaret Scard
Edward Seymour: Lord Protector, Tudor King in all but Name, 2016
James Shapiro
1606 - Shakespeare and the Year of the Lear, 2015
Chris Skidmore
Edward VI: The Lost King of England, 2007
David Starkey
Elizabeth: Apprenticehip, 2000
John Sturt
Revolt in the West: the Western Rebellion of 1549, 1987
E.M.W. Tillyard
The Elizabethan World Picture, 1943
John Twigg
A History of Queens' College, Cambridge, 1448-1986, 1987
Alison Weir
Children of England: The Heirs of King Henry VIII, 1547-1558, 1996
Anna Whitelock
Mary Tudor: England's First Queen, 2009
Penry Williams
The Tudor Regime, 1979
Derek Wilson
A Brief History of The English Reformation, 2012
Peter Ackroyd
The History of England Volume II: The Tudors, 2012
Stephen Alford
The Watchers: A Secret History of the Reign of Elizabeth I, 2012
Edward VI: The Last Boy King, 2014
Harold Armitage
Chantrey Land, 1910
Hugh Bicheno
Elizabeth's Sea Dogs, 2012
S T Bindoff
Ket's Rebellion, 1549, 1949
Tudor England, 1950
Jerry Brotton
This Orient Isle, 2016
Philip Caraman
The Western Rising, 1549: The Prayer Book Rebellion, 1994
Hester W. Chapman
Anne Boleyn, 1974
Lady Jane Grey, 1941
Julian Cornwall
Revolt of the Peasantry, 1549, 1977
A.G. Dickens
The English Reformation, 1964
Jane Dunn
Elizabeth & Mary, 2003
Geoffrey Elton
England Under the Tudors, 1955
Reformation Europe 1517-1559, 1963
Carolly Erickson
Bloody Mary, 1978
Anthony Fletcher & Diarmaid MacCulloch
Tudor Rebellions, 1968
George MacDonald Fraser
The Steel Bonnets, 1971
Leonie Frieda
Catherine de Medici: Renaissance Queen of France, 2003
G. B. Harrison (ed)
The Letters of Queen Elizabeth, 1935
Christine Hartweg
John Dudley: The Life of Lady Jane Grey's Father-In-Law, 2016
John Hayward
The Life and Raigne of King Edward the Sixth, 1630
Lisa Hilton
Elizabeth: Renaissance Prince, 2014
Dale Hoak
The King's Council in the Reign of Edward VI, 1976
Martin Hume
The Courtships of Queen Elizabeth, 1896
Robert Hutchinson
House of Treason: The Rise & Fall of a Tudor Dynasty, 2009
Eric Ives
Lady Jane Grey: A Tudor Mystery, 2009
W. K. Jordan
Edward VI: The Young King, 1968
Edward VI: The Threshold of Power, 1970
Jennifer Loach
Protector Somerset, 1994
Edward VI, 1999
(With Robert Tittler, Eds) The Mid Tudor Polity, c1540-1560, 1980
David Loades
Three Tudor Essays, 2014
John Dudley 1504 - 1553: Duke of Northumberland, Lord President of the Council, 2014
The Wyatt Rebellion, 2000
The Fighting Tudors, 2009
Diarmaid MacCulloch
Thomas Cranmer, 1996
Tudor Church Militant, 1999
John Maclean
The Life of Sir Thomas Seymour, Knight: Lord High Admiral of England and Master of the Ordnance, 1869
G.J. Meyer
The Tudors: Henry VII to Henry VIII, 2010
The Tudors: Lady Jane Grey to Elizabeth I, 2010
Ian Mortimer
The Time Traveller's Guide to Elizabethan England, 2014
Peter E. Newell
Symond Newell and Kett's Rebellion: Norfolk's Great Revolt against Enclosures, 1549, 2007
Alison Plowden
Lady Jane Grey: Nine Days Queen, 2003
Lady Jane Grey and the House of Suffolk, 1985
Tudor Women: Queens and Commoners; 1979
Linda Porter
Mary Tudor: The First Queen, 2007
Sir Maurice Powicke
The Reformation in England, 1941
Jasper Ridley
A Brief History of the Tudor Age, 2002
A.L. Rowse
The England of Elizabeth
The Elizabethan Renaissance: The Life of the Society
The Elizabeth Renaissance: The Cultural Achievement, 1972
Frederick William Russell
Kett's Rebellion in Norfolk, 1859
Margaret Scard
Edward Seymour: Lord Protector, Tudor King in all but Name, 2016
James Shapiro
1606 - Shakespeare and the Year of the Lear, 2015
Chris Skidmore
Edward VI: The Lost King of England, 2007
David Starkey
Elizabeth: Apprenticehip, 2000
John Sturt
Revolt in the West: the Western Rebellion of 1549, 1987
E.M.W. Tillyard
The Elizabethan World Picture, 1943
John Twigg
A History of Queens' College, Cambridge, 1448-1986, 1987
Alison Weir
Children of England: The Heirs of King Henry VIII, 1547-1558, 1996
Anna Whitelock
Mary Tudor: England's First Queen, 2009
Penry Williams
The Tudor Regime, 1979
Derek Wilson
A Brief History of The English Reformation, 2012