Primary source : Describe and study a primary source as fully as possible by getting to know everything you can find about the physical object, its text and imagery, its history, and its interest.

Primary source

Describe and study a primary source as fully as possible by getting to know everything you can find about the physical object, its text and imagery, its history, and its interest.

http://beinecke.library.yale.edu/collections

https://beinecke.library.yale.edu/search