Dayton, Ohio Comprehensive Plan; Greenville files; Madeira, Ohio, Jonas B. Frenkel, Davis Betts, National Safety Council; Middletown, Ohio, 1930

Dayton, Ohio Comprehensive Plan; Greenville files; Madeira, Ohio, Jonas B. Frenkel, Davis Betts, National Safety Council; Middletown, Ohio, 1930, Box: 19. Ladislas Segoe and Associates, City Planners records, 2789. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/379105 Accessed January 23, 2026.