Here's how papers looked back when I used to be young, when working papers were still sent around by regular mail:
https://dspace.mit.edu/bitstream/handle/1721.1/63684/hierarchiesburea00tiro.pdf?sequence=1
Here's how papers looked back when I used to be young, when working papers were still sent around by regular mail:
https://dspace.mit.edu/bitstream/handle/1721.1/63684/hierarchiesburea00tiro.pdf?sequence=1