Ayala, Balthazar
Wildy & Son Ltd, 1964
Buku Teks
edited by John Keegan
Viking, 1999
Buku Teks
Printed for H.M. Stationery off., by Harrison and sons, 1910-20
Buku Teks
Grotius, Hugo, author
Liberty Fund, 2005
Buku Teks
Grotius, Hugo, author
Liberty Fund, 2005
Buku Teks