Here's something you probably haven't yet read: The New York Times article (April 9, 1911) on The Great Panic of 1873, as written by Roger Babson.
Fascinating stuff . . .
Roger W. Babson, the Well Known Statistician, Tells of the Business Epochs That Followed That Period of Depression
The New York Times, April 9, 1911
Download 1873Panic.pdf PDF