Here are some characteristics of written sources:
* They are created by humans. This means they are subjective and can reflect the author's biases or perspectives.
* They are tangible. They can be physically held and examined.
* They provide evidence for historical events. They can help us to understand the past and learn from it.
* They can be analyzed and interpreted. Their meaning can be explored through different lenses and perspectives.
Here are some examples of written sources:
* Primary sources:
* Letters
* Diaries
* Government documents
* Photographs
* Personal accounts
* Autobiographies
* Secondary sources:
* Books
* Articles
* Biographies
* Reviews
* Textbooks
It's important to remember that not all written sources are created equal. Some sources are more reliable than others, and some may be more biased than others. It's always important to critically evaluate a written source before relying on it for information.