Singapore
| First Day Covers (Amanda - Singapore) www.1st-day-covers.com Featuring first day covers and philatelic collections. |
| Snorkeling, Scuba Diving & Underwater Exploration (Tan Tsu Soo - Singapore) www.bsac854.org/stamps/ Stamps on human activities underwater |
| Stamp2 (Admin - Singapore) www.stamp2.com The ultimate site for philatelic resources with the most comprehensive directory of links, latest news, new issues information and a online gallery. |
| Stamps of Singapore (CS Philatelic Agency - Singapore) www.cs.com.sg/gallery.htm Brief catalogue of Singapore stamps from 1948 till current days |