Manzocco, Roberto, author
Springer Nature, 2019
eBooks
Ruse, Michael, author
Cambridge University Press, 2012
Buku Teks
Keith, Arthur Berriedale, 1879-1944, author
Watts & Co., 1947
Buku Teks
Keith, Arthur, Sir, author
Watts & Co., 1950
Buku Teks
Winston, Robert
BBC Worldwide Limited, 2004
Multimedia