Roma in Palazzo Braschi, Rome Frederick Hervey, 4th Earl of Bristol (marble bust, c. 1778), National Portrait Gallery, London Sir Thomas Gascoigne, 8th Baronet of Parlington (bronze bust, c. 1778), Victoria and Albert Museum, London Martha Swinburne (marble medallion in funerary monument, 1779), Chiesa di San Tommaso, Rome Unknown Gentleman-Robert Adams (c. 1780), Fine Arts Museums of San Francisco José Nicolás de Azara (bronze bust, c. 1780), Institut de France, Paris José Nicolás de Azara (marble bust, 1781), Protomoteca Capitolina, Rome Anton Raphael Mengs (marble bust, 1781), Protomoteca Capitolina, Rome Gavin Hamilton (bust, 1784), University Art Collection, Glasgow Thomas Brereton-Westfaling, 1740 - 1814 (c. 1785), The Louvre, Paris Richard Baldwin (marble monument, 1784), Examination Hall, Trinity College, Dublin Cardinal Giovanni Battista Rezzonico (marble monument, 1787), Chiesa di San Nicola in Carcere, Rome Gottfried Leibniz (bust, 1787 - 1790), Reception hall of the Technologie Centrum, Hannover Anton Raphael Mengs (bronze bust cast by Francesco Righetti, 1792), Clark Art Institute, Williamstown, Massachusetts Count Anton Günther of Oldenburg (bust, white marble, 1794, part of the Count's monument), vestibule of St. Lambert Church, Oldenburg, Germany. Giovanni Pichler (marble bust, 1797), Museo Capitolino, Rome Thomas Westfaling (bust), St Mary, Ross-on-Wye, Herefordshire, U.K. Mr and Mrs Henry Swinburne (bust), Gascoigne bequest at Lotherton Hall, Leeds Alcyone and Ceyx (relief), Gascoigne bequest at Lotherton Hall, Leeds Bibliography P. Coen, "Christopher Hewetson: nuovi documenti, nuove interpretazioni" (i.e. C.H.: new documents, new interpretations), in Bollettino d'Arte, 97, 2012, pp. 87–100. Ulrich Thieme – F. Becker, "Hewetson Cristopher", Allgemeines Lexikon der Bildenden Kunstler, (Leipzig, 1924), vol. XVII, p. 13. C. Pietrangeli, a cura di G. Incisa della Rocchetta, Vincenzo Monti a Roma, exhibition catalogue, Rome, Palazzo Braschi, Roma, 1955, pp. 47, 50, tav. VII. V. Martinelli, C. Pietrangeli, La Protomoteca Capitolina, Roma, 1955, pp. 8, 36, 73, 78, tavv. VIII e 2. Barnes, J. "An unknown bust by Chrisopher Hewetson", Antologia di Belle Arti, s.s., 52-55, 1996, pp. 166–169. Breffny, B., and C. Hewetson. "Christopher Hewetson (1737-1798), Irish sculptor". Irish Arts Review, III(3), 52-75. Hodgkinson, Terence. "Christopher Hewetson: An Irish Sculptor in Rome", Walpole Society 34 (1952-1954): 42-54 at 50 and pl. XVIIIc Anne Crookshank in Brian de Breffny, ed., The Irish World: The Art and Culture of the Irish People, (New York, 1977) 146, 147, and 170. Brian de Breffny, ed., Ireland: A Cultural Encyclopaedia, (London, 1983) 105 - 106. Id., "Christopher Hewetson, Concise Biography and Preliminary Catalogue Raisonné",