[21] The Philatelist, vol. iii. pp. 85, 86.
[23] "The Tapling Collection of Stamps and Postal Stationery at the British Museum," by Fred J. Melville.
[24] "Postage Stamps and their Collection," by Warren H. Colson, Boston, 1907.
Transcriber's note—the following changes have been made to this text:
Page 346: Republique changed to République.
Page 360: Reüterskiold changed to Reuterskiöld.