How quickly will my question be answered?
We are generally able to answer questions within 24 hours during weekdays. Depending on the question, we can often provide an answer within a few hours of receiving your inquiry. Questions posed after 5PM on Friday or anytime on Saturday and Sunday will be answered on Monday.
If you need an immediate answer to a reference question, please call the reference desk at 215-596-8967. The desk is staffed from M-F from 10am-5pm.
For a complete listing of our hours, see our hours page.