Photograph of the Board of Directors of The Oklahoma City Club, 1901. Top to bottom, left to right: 1. O. D. Kasel, 2. M. C. Milner, 3. MacGregor Douglas, 4. A. H. Classen, 5. Clifton George, 6. C. B. Ames, 7. J. M. Owen, 8. S. C. Heyman.

Photograph of "Committee in charge of reception to Theodore Roosevelt, Vice President of the United States, at time of Rough Riders reunion at Oklahoma City, July 2-4, 1900". Included are Oscar D. Halsell, Anton H. Classen, C. B. Ames, M. C. Millner, J. M. Owen, McGregor Douglas, Clifton George, and Seymour Heyman. Copy photo by G. E. Ginter, Oklahoma City, OK, c.1900.

Photograph of the Directors of the Oklahoma City Chamber of Commerce, Oklahoma City, OK. L to R: seated: 1. A. O. Workman, 2. Mr. Severens, 3. C. H. Russell, 4. Sidney J. Brock, 5. Mr. McKeand, 6. A. H. Classen. Standing 1. O. A. Mitscher, 2. Mr. Westfall, 3. Mr. Thompson, 4. UNIDENTIFIED, 5. J. H. Johnston, 6. Chas Bosworth, 7. B. Housel, 8. Weston Atwood, 9. William Mee, 10. T. H. Tidman, 11. Mr. Walker, 12. J. M. Owens.