'Henry Lark Pratt', Mapping the Practice and Profession of Sculpture in Britain and Ireland 1851—1951, University of Glasgow History of Art and HATII, online database 2011 accessed 22 Jul 2011Архівавана 20 сакавіка 2012.
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'Henry Lark Pratt', Mapping the Practice and Profession of Sculpture in Britain and Ireland 1851—1951, University of Glasgow History of Art and HATII, online database 2011 accessed 22 Jul 2011Архівавана 20 сакавіка 2012.