J. Erik Jonsson Central Library   The J. Erik Jonsson Central Library is the Main Library Branch of the Dallas Public Library system. It is located at 1515 Young Street in the Government District of downtown Dallas, Texas, directly across from Dallas City Hall. Address: 1515 Young St, Dallas, TX 75201 Hours: Friday 10AM–6PM Saturday 10AM–6PM … Continue reading J. Erik Jonsson Dallas Central Library