By Kirsten Salyer

The Texas Tribune on the "illegals" in the 1830s
Bloomberg Businessweek on how the bar code took over the world
Federal Reserve Bank of St. Louis on lessons from the Fed's first 100 years
Federal Reserve Bank of Cleveland on the panic of 1907
Barry Ritholtz on the average daily change of the S&P 500 in December over the years
Hagley Museum and Library on the Pennsylvania Railroad
International Business Times on the history of failed doomsday prophecies
History News Network on the myth of the skyscraper index

Read more from Echoes online.

-0- Dec/21/2012 17:24 GMT