Carnegie Library of Pittsburgh - Main (Oakland) will close at 3 pm on Friday, May 2. Customers may pick up holds or return items at the main entrance until 5 pm or visit other CLP locations.
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Be a Picture Detective

Some of the photographs in the Pennsylvania Department's collection are unidentified as to
* Location
* Event
* Photographer
* Date
Can you help us identify some of these rather remarkable, but mysterious photos of the Pittsburgh district?

* Gallery of Unidentified Images

When you email us, be sure to detail the evidence on which you're basing your deductions.