Delicious (E)

1. (pbs.org/wgbh/nova/ancient/history-money.html) The history of money: cowrie shells, cattle, Ben Franklin bill
* (pbs.org/wgbh) Mind over Money (mom)
* (pbs.org) Thời đại phát minh của Trung Hoa (China's Age of Invention)
* (pbs.org) History of the Samurai (Japan)

Spelling puzzles

1. forward vs. forwards:
- Answer (public.wsu.edu-Common errors in English usage) (grammarist.com/"When in doubt, use the safer forward.")
- See more (public.wsu.edu-List of errors)
- Other cases: forward; toward; backward; leftward; rightward

Copyright symbol ©

©
* (conradaskland.com/blog/2006/12/how-to-type-a-copyright-symbol)
* (iusmentis.com/copyright/symbol)
* (journalofaccountancy.com)