Coleman, Ralph Monroe. To Determine a Satisfactory Course of Study in Ornamental Iron for Senior High Schools in Terms of Pupils' Interest, Home Needs, Good Design, and by an Analysis of the Field, thesis, August 1939; (https://digital.library.unt.edu/ark:/67531/metadc31300/m1/1/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .