International Petroleum Exposition and Congress (1923-1979).

Letter to the Oklahoma Petroleum Council from Ronald G. Miller asking for information on the IPE.

Letter to the United Exposition Service Co. from E. O. Self, dated April 8, 1976.

Electrical Service Order Form, information copy, dated April 8, 1976.

Original Purchase Order Form from Val Verde Corporation, dated April 8, 1976.

Order form for rental equipment and special items, revised to in include carpeting, undated.

Letter to the United Exposition Service Company from G. E. Forsythe questioning the accuracy of two bills, one for the supervisory labor personnel and the other for materials a plumber supposedly left.

Letter to the United Exposition Services Company from Ray Forbes, asking for copies of work orders or something similar to verify the labor time they were charged for.

Letter to the United Exposition Service Company from Robert R. Peters, delaying the payment of an invoice for the following reasons: (1) protesting the radically unreasonable hourly rates for Journeymen and Foremen labor, (2) the excessive number of hours charged for installing 65' Air Piping, and (3) material billed, when it's in possession of Easley Plumbing and Heating Co.

Letter to the United Exposition Service Company from A. M. Hendershot about removing charges for installing water services at the IPE. The attachements indicate that no water hookup was made for their exhibit space.

Letter to Tim Whalen from Joan Wyatt (Secretary to M. C. Enright).

Attached is a list of individuals from France that registered in advance or had housing reservations in Tulsa for the IPE.

A letter to Vincent E. Butler, Jr. from Martin C. Dwyer.

Letter to Virgil Barnes from Matin C. Dwyer.

Letter to Virginia Taylor from Clifford W. Stone. Attached is a photocopy of a newspaper clipping titled "El Dorado to be honored at convention of oil men".