'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 [1]Arkivigite je 2014-05-17 per la retarkivo Wayback Machine
web.archive.org
'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 [1]Arkivigite je 2014-05-17 per la retarkivo Wayback Machine