1960 Dec. 15
Auto Dealer Costs
Liberty (N.Y.) - Letter regarding their sales program with notes on best methods and costs.
Mark H. McCormack Papers
1961 Mar. 7
Liberty (N.Y.) - Invoice for a one year subscription.
1961 Jan. 31
Liberty (N.Y.) - Invoice for a one year subscription to Auto Dealer Costs.
1961 Mar. 21