Franklin Roosevelt actually said...

I wanted to make sure that this archive is well preserved and accessible to future historians.

It is my desire that they be kept as a whole and intact in their original condition, available to scholars of the future in one definite loc...

Yes, because people did not write as much in those days.

There is not. I think you will find among the papers three diaries that started on the first of January in three different years, far apart.