Author:Thomas Littleton Powys

Works

 * Notes on the Birds of Northamptonshire and Neighbourhood illustrated by Mr. G. E. Lodge (1895)
 * (in 7 volumes, 1885–1897)

Works about Powys

 * Drewitt, C. M., & Lilford, T.L.P. (1900). Lord Lilford Thomas Littleton, fourth baron F.Z.S: President of the British Ornithologists' Union. A Memoir by his Sister. London: Smith, Elder. (review in The Zoologist, 4th series, vol 5, issue 716 (February 1901), p. 80).
 * Drewitt, C. M., & Lilford, T.L.P. (1900). Lord Lilford Thomas Littleton, fourth baron F.Z.S: President of the British Ornithologists' Union. A Memoir by his Sister. London: Smith, Elder. (review in The Zoologist, 4th series, vol 5, issue 716 (February 1901), p. 80).
 * Drewitt, C. M., & Lilford, T.L.P. (1900). Lord Lilford Thomas Littleton, fourth baron F.Z.S: President of the British Ornithologists' Union. A Memoir by his Sister. London: Smith, Elder. (review in The Zoologist, 4th series, vol 5, issue 716 (February 1901), p. 80).