Broughton, Vanda, author
Facet, 2004
Buku Teks
Fea, Valerie
Wiltshire Library & Museum Service, 1979
Buku Referensi
Broughton, Vanda, author
Facet Publishing, 2006
Buku Teks
Lazarinis, Fotis, author
Chandos, 2015
eBooks
Joudrey, Daniel N., author
Libraries Unlimited, 2015
Buku Teks