George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 22.

Neil Jeffares: Dictionary of pastellists before 1800 – Gardner, Daniel.
2012.

Samuel Redgrave: A Dictionary of Artists of the English School: Painters, Sculptors, Architects, Engravers and Ornamentists: With notices of their lives and work.
George Bell and sons, London, York Street, Covent Garden 1878, p. 167.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 16.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 17.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 41.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 34/35.

The New York Times: The World of Art: Daniel Gardner, 31 July 1921.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 31.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 30.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 7.

Marion Henry Spielmann: British Portrait Painting to the Opening of the Nineteenth Century.
London, Berlin Photographic Co., 1910, Vol.
II, p. 35.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 18.

Timothy Clayton, Anita McConnell, ‘Watson, Thomas (1750–1781)’, Oxford Dictionary of National Biography, Oxford University Press, 2004
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 20.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 12.

Rev. J. Romney, brother of George Romney: Memoirs of George Romney. [
B. M. 787, I. 29], p. 12.

Cornelius Nicholson: Annals of Kendal. [
B. M. 10358, g. 12].

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 13.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 19.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 21.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 26.

Philological Society of London: The European Magazine and London Review.
Published by James Asperne, Successor to the late Mr Sewell at the Bible, Crown & Constitution Cornhill, Vol.
48, from July to Dec., 1805, Monthly Obituary, p. 79.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 42.

George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works.
John Lane, the bodley head, Vigo St., W, London 1921, p. 43.

The Victoria and Albert Museum, London.

John Burke & John Bernard Burke: A geneal
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 22.
Neil Jeffares: Dictionary of pastellists before 1800 – Gardner, Daniel. 2012.
Samuel Redgrave: A Dictionary of Artists of the English School: Painters, Sculptors, Architects, Engravers and Ornamentists: With notices of their lives and work. George Bell and sons, London, York Street, Covent Garden 1878, p. 167.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 16.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 17.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 41.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 34/35.
The New York Times: The World of Art: Daniel Gardner, 31 July 1921.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 31.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 30.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 7.
Marion Henry Spielmann: British Portrait Painting to the Opening of the Nineteenth Century. London, Berlin Photographic Co., 1910, Vol. II, p. 35.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 18.
Timothy Clayton, Anita McConnell, ‘Watson, Thomas (1750–1781)’, Oxford Dictionary of National Biography, Oxford University Press, 2004
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 20.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 12.
Rev. J. Romney, brother of George Romney: Memoirs of George Romney. [B. M. 787, I. 29], p. 12.
Cornelius Nicholson: Annals of Kendal. [B. M. 10358, g. 12].
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 13.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 19.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 21.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 26.
Philological Society of London: The European Magazine and London Review. Published by James Asperne, Successor to the late Mr Sewell at the Bible, Crown & Constitution Cornhill, Vol. 48, from July to Dec., 1805, Monthly Obituary, p. 79.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 42.
George Charles Williamson: Daniel Gardner, painter in pastel and gouache: A brief account of his life and works. John Lane, the bodley head, Vigo St., W, London 1921, p. 43.
The Victoria and Albert Museum, London.
John Burke & John Bernard Burke: A geneal
Daniel Gardner