There are two main sources: primary and secondary.
A primary source would be "the document itself" or the testimony of an observer who was present at so-and-so.
A secondary source would be eclectic documentation or testimony based on that of primary sources. For instance, a documentary of WWII would be a secondary source, which cites many primary sources such as interviews with veterans, clips of video or photos from the era, etc.
I believe you are referring to testimony and exhibits.
historical evidence suggests this theory. The war was Historical.
Corroborated sources of historical evidence. (APEX) !/
A good claim is supported by many pieces of reliable evidence.
what is the historical evidence for the foundation of rome
Evidence, secondary sources, and forgery. :)
Archaeological evidence can include artifacts (objects made by humans), ecofacts (natural materials used or modified by humans), features (non-portable structures or remains), and sites (locations where evidence of past human activity is found). These different types of evidence help archaeologists piece together information about past cultures and societies.
There is no historical evidence of that nature.
Historical synthesis is the process an historian engages in to transform evidence into a final historical account (O'Brien, 1935)
Basing historical accounts on reliable evidence
The four general types of evidence are: -Anecdotal Evidence - Testimonial Evidence - Statistical Evidence - Analogical Evidence Links to articles which can provide you with a clearer answer and descriptions are below.
There is no direct evidence of historical navel piercing, although there is a great deal of historical evidence regarding the decoration of the navel, both for ritual and aesthetic purposes.