Heckscher 1938, p. 216 n. 3, citing Delbrück 1932, p. 203 Heckscher, W. S. (1938). "Relics of Pagan Antiquity in Mediæval Settings". Journal of the Warburg Institute. 1 (3): 204–20. doi:10.2307/750006. JSTOR750006. Delbrück, Richard (1932). Antike Porphyrwerke. Leipzig: De Gruyter.
Heckscher 1938, pp. 216–17. Heckscher, W. S. (1938). "Relics of Pagan Antiquity in Mediæval Settings". Journal of the Warburg Institute. 1 (3): 204–20. doi:10.2307/750006. JSTOR750006.
infobase.com
fod.infobase.com
Packham, Chris (2014). "Birds of Prey". Infobase-Films on Demand. Retrieved May 6, 2024.
jstor.org
Heckscher 1938, p. 216 n. 3, citing Delbrück 1932, p. 203 Heckscher, W. S. (1938). "Relics of Pagan Antiquity in Mediæval Settings". Journal of the Warburg Institute. 1 (3): 204–20. doi:10.2307/750006. JSTOR750006. Delbrück, Richard (1932). Antike Porphyrwerke. Leipzig: De Gruyter.
Heckscher 1938, pp. 216–17. Heckscher, W. S. (1938). "Relics of Pagan Antiquity in Mediæval Settings". Journal of the Warburg Institute. 1 (3): 204–20. doi:10.2307/750006. JSTOR750006.
langantiques.com
"Niello". Antique Jewelry University. Retrieved March 26, 2024.