Alexander Henderson (1791–1832) was the Surveyor of the Post Office in Edinburgh from 1819 to 1822. He had an extensive library and used an armorial bookplate and two armorial binding stamps, with the arms 'A cubit arm holding a mullet rayed ensigned with a crescent' with the motto 'Sola virtus nobilitat'. His library was sold in 1848.
- Shelfmark W/H-4-15
- Joseph MacCormick, Minister. State-papers and letters, addressed to William Carstares, ... during the reigns of K. William and Q. Anne. ... Life of Mr Carstares. Published from the originals by Joseph M'Cormick. 1774.
- Armorial bookplate on front pastedown, with motto 'Sola virtus nobilitat': Alexander Henderson.
- Printed label on verso of front free endpaper: Sold by C. J. Stewart, 11 King William St. W. Strand, London.
- British Armorial Bindings Database, 2012