Sources
- BANK NOTE MUSEUM (www.banknote.ws)
- Linzmayer, Owen W. The Banknote Book. 1st edition. 2016. BanknoteNews, San Francisco, CA. (www.banknotebook.com)
- Schmidt, Tracy L. Standard Catalog of World Paper Money, Modern Issues, 1961-Present. 23th edition. 2017. ISBN-13:978-1-4402-4737-8. Krause Publications (www.krausebooks.com), 700 East State St., Iola, WI, 54990-0001