The Harvard system is used in citing references to sources. Abbreviated citations of primary and secondary material identify the works listed in the Bibliography, where full references are given. For example, Starkey (2004) refers to D. R. Starkey, Six Wives: The Queens of Henry VIII (London, 2004); Starkey (2008) refers to D. R. Starkey, Henry, Virtuous Prince (London, 2008). Manuscripts are cited by the reference numbers used to request the documents in the archives and libraries. In citations the following abbreviations are used:
BL British Library, London
CSPMilan Calendar of State Papers and Manuscripts, Existing in the Archives and Collections of Milan, edited by A. B. Hinds (London, 1912)
CSPSp Calendar of Letters, Despatches and State Papers Relating to the Negotiations between England and Spain, Preserved in the Archives at Vienna, Brussels, Simancas and Elsewhere, 13 vols. in 19 parts (London, 1862–1954)
CSPSp, Supp Calendar of Letters, Despatches, and State Papers Relating to the Negotiations Between England and Spain, Supplement to Volume I and Volume II (London, 1868)
CSPSp, Further Supp Further Supplement to the Negotiations Between England and Spain, edited by G. Mattingly (London, 1940)
CSPVen Calendar of State Papers and Manuscripts Relating to English Affairs, Existing in the Archives and Collections of Venice and in Other Libraries of Northern Italy, 38 vols. (London, 1864–1947)
CWE Collected Works of Erasmus, 76 vols (Toronto, 1974–)
HLRO House of Lords, Record Office
LA Lincolnshire Archives Office
LP Letters and Papers, Foreign and Domestic, of the Reign of Henry VIII, edited by J. S. Brewer, J. Gairdner, and R. H. Brodie, 21 vols. in 32 parts and Addenda, with revised edition of vol. 1 in 3 parts (London, 1862–1932)
LP Ric III and Hen VII Letters and Papers illustrative of the Reigns of Richard III and Henry VII, edited by J. Gairdner, 2 vols. (London, 1861–63)
MS Manuscript
NA The National Archives, Kew
NLW The National Library of Wales
ODNB The New Oxford Dictionary of National Biography, edited by Colin Matthew and Brian Harrison, 60 vols. (Oxford, 2004)
STC A Short-Title Catalogue of Books Printed in England, Scotland and Ireland, and of English Books Printed Abroad, edited by W. A. Jackson, F. S. Ferguson, and K. F. Pantzer, 2nd edition, 3 vols. (London, 1976–91)
WRO Worcester Record Office