| 其他書名 | Based On: Reports of Committees to the American Country Life Association; Proceedings of the Tenth National Country Life Conference; Proceedings of the Eleventh National Country Life Conference |
| 出版 | University of Chicago Press for the American country life association, 1928 |
| URL | http://books.google.com.hk/books?id=z3xDAAAAIAAJ&hl=&source=gbs_api |