Write short no

2. These include – newspapers, periodicals, diaries, reference books, correspondence, and documents in the archives, government gazettes, postage stamps, and encyclopedias.

3. Among these, newspapers are the most valuable source of useful information. They contain data about national and international affairs, politics, art, sports, literature and social and cultural affairs. Some newspapers also produce special editions towards the end of the year, highlighting the various important events of the year.

4. Postage stamps also play a crucial role in telling us about changes that have taken place over a period of time due to the variety in the sizes of these stamps, the novelty in their subjects and colour schemes. The Postal Department uses them on a wide variety of themes like political leaders, flowers, animals, an event etc. Therefore, they are a valuable repository of history.