(crybwyll am y tro cyntaf)
Charles Alan Fyffe, A History of Modern Europe: From 1814 to 1848, 2 gyfrol (Llundain: Cassell, 1891), II, t. 35.
(crybwyll yn ddiweddarach)
Fyffe, II, t. 38.
Charles Alan Fyffe, A History of Modern Europe: From 1814 to 1848, 2 gyfrol (Llundain: Cassell, 1891), II
Charles Alan Fyffe, A history of modern Europe: From 1814 to 1848, 2 gyfrol (Llundain: Cassell, 1891), II, t. 35. E-lyfr Project Gutenberg.
Charles Alan Fyffe, A History of Modern Europe: From 1814 to 1848, 2 gyfrol (Llundain: Cassell, 1891), II. E-lyfr Project Gutenberg