If by "useful paper" you mean academic articles or analysis regarding the cultural impact, educational value, or science of Doraemon, the Internet Archive hosts scanned journals and theses.
If you’re ready for a nostalgia trip, the Internet Archive is easy to navigate. Just remember that many of these uploads are community-contributed, making them a "best-effort" preservation project. doraemon archiveorg
Video Archives: A vast repository of both the 1979 and 2005 anime series, often featuring fan-subtitled versions or rare localizations that are no longer in active broadcast. Created: 1969 Original format: Manga serialized in various
: Collections of vinyl rips and CD soundtracks featuring the legendary "Doraemon no Uta" theme and background scores that defined the childhoods of millions. Video Games and Software Suddenly, the drawer of his desk rattled
Pros
Suddenly, the drawer of his desk rattled. A blue, robotic cat popped out, looking slightly disoriented.