S. W. and P.A. Durant, R.P. Hinckley, D.P. Kayner, J.N. Wheeler, George Rossiter, civil engineers(Digital Initiatives; University of Toledo; Ward M. Canaday Center for Special Collections, 2012-01-19)
Toledo Computing Scale Co.(Ward M. Canaday Center for Special Collections; University of Toledo; Ward M. Canaday Center for Special Collections, 2010-12-16)
Toledo Computing Scale Co.(Ward M. Canaday Center for Special Collections; University of Toledo; Ward M. Canaday Center for Special Collections, 2010-12-16)
Tingley, Katherine; Theosophical Society Archives (Pasadena, CA)(Institute for the Study of Performance and Spirituality; University of Toledo; University of Toledo Libraries, 2011-07-13)