Description:
L. D. (Leon Dudley) Callahan served as past president of both the Oklahoma City Building Owners and Managers and Souhtwest Conference of Building Owners and Managers associations.
BRANCH HOURS UPDATE:
From Feb. 23-26 and March 2-6, the Patience S. Latting Northwest Library will close at 7 p.m. for carpet replacement.
L. D. Callahan
The materials in this collection are for study and research purposes only. To use these digital files in any form, please use the credit "Courtesy of Metropolitan Library System of Oklahoma County" to accompany the image.