| 其他書名 | George C. Cole, State Superintendent of Public Instruction. Division of Vocational Education. Z.M. Smith, Director ... September, 1931 |
| 出版 | Fort Wayne Printing Company, Contractor for State Printing and Binding, 1931 |
| URL | http://books.google.com.hk/books?id=NE8qAQAAMAAJ&hl=&source=gbs_api |