There is a very good review in today's Boston Globe of two shows of the photographer's work. One is at Smith College Art Museum, the other at Yale University in New Haven. These look to be well worth the drive to go see them if you are in New England.
Here's the Globe review by Mark Feeney who is an excellent writer and photography critic.
Smith College Art Museum
Yale University Art Gallery... looks like they are showing Abe Morell as well, might be worth a drive down there!
And lastly, Jerome Liebling's website