その事実は古い文献のいくつかに見出される。の英語

The facts are buried in a few old books.

There is very little literature to refer to about it.

There's an extensive literature on the subject.

This phenomenon has been reported by several theses.

This essay is lacking in new insights.

The article was given out serially.

Use as wide of a range of resources as possible.

There are several places to fix in this essay.

Some of the books are older.

a study that entails finding the origin of a philological matter

However, there were no sources that discusses that.

The writer should show sources for evidence.

His article was published in the latest issue of the magazine.

The latest issue of the magazine carried his article 《on trade friction》.

This book is similar to old-style books.

This article was serialized [printed in serial form] in the Asahi.

That report has quite a lot of impact.

This report does not particularly have any new information.

The description of that thesis is insufficient.

This article was written by a college professor.

This paper reports on a very important study.

I raked (about) among [through] the old papers.

This article describes a series of studies.

The article deserves careful study.

This paper is scant in documentation.

The work has already been noticed in these columns.

It's a pity that there are typographical errors here and there in this essay.

The article is padded out with quotations from magazines.

The contents of this report are shallow.

The clause was written into the old man's will a long time ago.