I'm fascinated by old document templates, including handwritten notes and marks on them.
https://www.archives.gov/files/research/jfk/releases/2022/10...
https://www.archives.gov/files/research/jfk/releases/2022/10...
https://www.archives.gov/files/research/jfk/releases/2022/10...
They played such important roles pre-computer days, and to this date still do.
1960s office environment was so different watching old footages like this. https://www.youtube.com/watch?v=8zUQD1p9bXY