Horace Walpole - Maddalena, or The Fate Of The Florentines:
Legends of Terror!(1826) p.586
Maddalena; or, The Fate of the Florentines. An Italian Legend.
The Oxford quarterly magazine, Volume the first(March and June, 1825)p.54
An Italian Legend of the Fifteenth Century.
Horace Walpole(1717-1797) cannot quote any passage from the poem of Lord Byron, "The Dream"(1816).
William Beckford - The Nymph Of The Fountain:
Legends of Terror!(1826) p.281
The Nymph of the Fountain, or the Musk Ball, a Tale from the German of Musaüs
Popular Tales of the Germans Vol.2
translated from the Germany
(by the Author of Vathek, William Beckford.)
Anne Of Swansea - The Unknown!, or The Knight Of The Blood-Red Plume:
Legends of Terror!(1826) p.261
The Unknown, or the Knight of the Blood-red Plume, a Welsh Legend.
Welsh Legends:A Collection of Popular Oral Tales.(J. BADCOCK, 1802)
Knight of the Blood-red Plume.
by William Earle(Internet Archive)
William Child Green - Secrets Of Cabilism, or Ravenstone:
Legends of Terror!(1826) p.58
Secrets of Cabalism, or Ravenstone and Alice of Huntingdon
The Flowers of Literature vol.3(1821) William Oxberry p.18
SECRETS OF CABALISM .
(European Magazine)
Anna Jane Vardill. "Secrets of Cabalism"
The European Magazine,
(1) Vol. 79, January 1821, pp. 9-13
(2) Vol. 79, February 1821, pp. 105-109
(3) Vol. 79, March 1821, pp. 202-206
(4) Vol. 79, April 1821, pp. 303-308
(5) Vol. 79, May 1821, pp. 400-404
(6) Vol. 79, June 1821, pp. 492-498
vardill.org/works.html#1821