| 其他書名 | A Dissertation Submitted to the Faculty of The Graduate School of Arts and Sciences of The George Washington University ... for the Degree of Doctor of Philosophy. Kap. V bis Schluß |
| 出版 | University Microfilms, 1975 |
| URL | http://books.google.com.hk/books?id=YmszmwEACAAJ&hl=&source=gbs_api |