This is just a small showcase. Many more pictures can be accessed here: http://jeroendoomernik.net/portfolio.html
Jeroen Doomernik is a political scientist and a street photographer. For learning more about the former go here: ​https://www.uva.nl/profiel/d/o/j.m.j.doomernik/j.m.j.doomernik.html
Pre-digital age photo archives are here: http://jeroendoomernik.net/archives.html