Ashmolean Museum of Art and Archaeology, Print Room http://www.ashmus.ox.ac.uk/departments/westernart/services/index.php

Bodleian Library Broadside Ballads http://www.bodley.ox.ac.uk/ballads/ballads.htm

British Library http://www.bl.uk/

British Museum, Department of Prints and Drawings http://www.britishmuseum.org/the_museum/departments/prints_and_drawings.aspx

City of London Libraries, Archives and Guildhall Art Library http://collage.cityoflondon.gov.uk/collage/app

'Early history of mezzotint', National Portrait Gallery http://www.npg.org.uk/research/programmes/early-history-of-mezzotint.php

English Short Title Catalogue http://estc.bl.uk

Fitzwilliam Museum Prints Collection http://www.fitzmuseum.cam.ac.uk/dept/pdp/prints/

George Clarke Print Collection, Worcester College, Oxford http://prints.worc.ox.ac.uk/

National Portrait Gallery http://www.npg.org.uk/

Sutherland Collection http://sutherland.ashmolean.museum/

Victoria and Albert Museum Prints and Books Collection http://www.vam.ac.uk/collections/prints_books/index.html

Wellcome Library Iconographic Collection http://library.wellcome.ac.uk/icon.html

Wenceslaus Hollar Digital Collection, University of Toronto http://link.library.utoronto.ca/hollar/