प्राचीन भारत में सबसे प्रारंभिक पांडुलिपियां आमतौर पर किस पर लिखी गई थीं?

Which of the following historical items is considered a 'secondary source' rather than a primary source?

Under which category of sources do 'coins' fall in the teaching and study of history?

The study or collection of coins and paper money is called: