That is because the works themselves contain such internal evidence.

There is no internal evidence to locate these works either in time or place.

There's internal evidence that he's currently a much more important man than he was a week ago.

As to the notes, internal evidence for once is explicit.

Based on internal evidence, the collection has been dated to around 1970.

Internal evidence is the actual details present inside a given work.

But nothing can be said with certainty, for want of both external and internal evidence.

Characters go unidentified, and it is not always possible to identify them from internal evidence.

Internal evidence shows, however, that it was not completed until 1632 at the earliest.

Indeed, all internal evidence suggests that it was probably the author's intention.

From internal evidence, Britain would seem to be one of those faraway countries.

One or two discovered internal evidence of the fact, which seemed to amuse them.

Internal evidence from the book suggests that "Walter" was born between 1820 and 1825.

While no very old manuscripts have been found, internal evidence points to the work being older than the texts.

The internal evidence of religion in the text is meager.

Internal evidence suggests a range of dates for these lists from before 1536 to 1546.

The internal evidence is convincing in its precision and application.

The date of composition can be approximately fixed by internal evidence.

But internal evidence is much opposed to this theory of authorship.

The year is not given to us, but by internal evidence it seems to be around 1820 - the full flush of Romanticism.

Internal evidence makes it obvious that this is a vintage specimen.

Is there any internal evidence which increases or decreases our confidence in the writer?

Then suddenly it was visible, the first internal evidence of the growth, and precisely in the predicted position.

However, internal evidence from his authentic writings suggest that he was raised by Christian parents.

Internal evidence shows that the saga must have been composed sometime in the period 1230-1260.