The Progressive English reading books, by Nelson Thomas and sons, ltd, 1862
Griffin, Emma (2007). Blood Sport: Hunting in Britain Since 1066. p. 296. ISBN 0-300-11628-4.
Cagnolaro L., M. Comencini, A. Martinoli, A. Oriani, 1996. Dati storici sulla presenza e su casi di antropofagia del lupo nella Padania centrale. In F. Cecere (ed.) 1996, Atti del Convegno "Dalla parte del lupo", serie atti e studi de WWF Italia n° 10, 83:99
The economy and material culture of Russia, 1600-1725 by Richard Hellie, Publisher: University of Chicago Press, 1999, ISBN 0-226-32649-7, ISBN 978-0-226-32649-8, 671 pages
The Natural History of Dogs: Canidæ Or Genus Canis of Authors. Including Also the Genera Hyæna and Proteles by Charles Hamilton Smith, Published by W.H. Lizars,... S. Highley,... London; and W. Curry, jun. and Co. Dublin., 1839
