其他書名 | Illustrated, by Means of a School-kalendar Showing how the Perpetual-Kalendar Will Benefit Universities, Schools and Churches, and by Means of a Diagram, Showing how Little Inconvenience Will Arise |
出版 | 1908 |
URL | http://books.google.com.hk/books?id=-SHA0AEACAAJ&hl=&source=gbs_api |