A photograph of Koepler at his desk. 'Notice; Permission is granted to reproduce this photograph only on condition that each reproduction shall bear the following credit line; Photograph by Norfolk and Western Railway'
A photograph of Koepler at his desk. 'Notice; Permission is granted to reproduce this photograph only on condition that each reproduction shall bear the following credit line; Photograph by Norfolk & Western Railway'
A photograph of Koepler at his desk with three other individuals. 'Notice; Permission is granted to reproduce this photograph only on condition that each reproduction shall bear the following credit line; Photograph by Norfolk & Western Railway'