AMERICAN TELEPHONE & TELEGRAPH CO.
Interexchange mileage and rate guide. Pt.1: Reference numbers. Pt.2: Mileage and rate tables.
AMERICAN TELEPHONE & TELEGRAPH CO. Interexchange mileage and rate guide. Pt.1: Reference numbers. Pt.2: Mileage and rate tables. © 31Dec31; AA87435-87436. American Telephone & Telegraph Co. (PCW); 16Nov59; R245619-245620.
American Telephone & Telegraph Co.|PCW