United Phreakers Incorporated Newsletter (Original Group) Issue 1 - UPI, 1990/01/17
United Phreakers Incorporated Newsletter (Original Group) Issue 2 - UPI, 1990/01/30
United Phreakers Incorporated Newsletter (Original Group) Issue 3 - UPI, 1990/02/13
United Phreakers Incorporated Newsletter (Original Group) Issue 4 - UPI, 1990/03/02
United Phreakers Incorporated Newsletter (Original Group) Issue 5 - UPI, 1990/03/03
United Phreakers Incorporated Newsletter (Original Group) Issue 6 - UPI, 1990/03/04
United Phreakers Incorporated Newsletter (Original Group) Issue 7 - UPI, 1990/03/08
United Phreakers Incorporated Newsletter (Original Group) Issue 8 - UPI, 1990/03/25
United Phreakers Incorporated Newsletter (Original Group) Issue 9 - UPI, 1990/03/27
United Phreakers Incorporated Newsletter (Original Group) Issue 10 - UPI, 1990/04/29

United Phreakers Incorporated Newsletter Volume 1, Issue 1 - UPI, 1991/05/25
United Phreakers Incorporated Newsletter Volume 1, Issue 2 - UPI, 1991
United Phreakers Incorporated Newsletter Volume 1, Issue 3 - UPI, 1991
United Phreakers Incorporated Newsletter Volume 1, Issue 4 - UPI, 1991/07/16
United Phreakers Incorporated Newsletter Volume 1, Issue 5 - UPI, 1991/09/12
United Phreakers Incorporated Newsletter Volume 2, Issue 6 - UPI, 1992/05/23
United Phreakers Incorporated Newsletter Volume 2, Issue 7 - UPI, 1992/12/31