Abbreviations
| APC | Acts of the Privy Council |
| Bod Lib | Bodleian Library, Oxford |
| BL | British Library, London |
| BM | British Museum, London |
| CROC | Cumbria Record Office, Carlisle (Cumbria Archive Centre) |
| EBBA | English Broadside Ballad Archive |
| ESTC | English Short Title Catalogue |
| FSL | Folger Shakespeare Library, Washington, DC |
| GUL | Glasgow University Library |
| HEHL | Henry E. Huntington Library, San Marino, California |
| HMC | Historical Manuscripts Commission |
| MLG | Mitchell Library, Glasgow |
| NLS | National Library of Scotland, Edinburgh |
| NRS | National Records of Scotland, Edinburgh |
| ODNB | Oxford Dictionary of National Biography |
| PL | Pepys Library, Magdalene College, Cambridge |
| PRO | Public Record Office, London (The National Archives) |
| RS | Royal Society, London |
| SA | Society of Antiquaries, London |
| SBTI | Scottish Book Trade Index |