The diary by Mary Cooper is a primary source diary. This is a reliable source of information.
This is the term that is used to refer to the information that is gotten directly. This is an information that is gotten straight from the person that has the experiences. This is not from other people but right from the Mary Cooper herself.
Given that she wrote this diary on her own, we can regard it as a primary source. The information is passed down straight from her on the experiences that she has had. Hence it is a reliable source of information.
The diary is about Mary Cooper who wrote the experiences that she had while tending to the homestead in the company of her husband. The diary tells us of the issues that colonial women faced at the time.
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