| 其他書名 | A Descriptive Catalogue of All the Postage Stamps of the United Kingdom of Great Britain and Ireland Issued During Fifty Years |
| 出版 | S.Low,Marston,Searle & Rivington, Limited, 1891 |
| URL | http://books.google.com.hk/books?id=NYorAAAAYAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |