| 其他書名 | General Index of Scientific Papers Contained in the Annual Reports of the U.S. Coast and Geodetic Survey from 1845 to 1880 Inclusive. Appendix No. 6 - Report for 1881 |
| 出版 | U.S. Government Printing Office, 1882 |
| URL | http://books.google.com.hk/books?id=8K0yAQAAMAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |