Hacker News
- All the Ways We’ve Wiped: The History of Toilet Paper and What Came Before https://www.history.com/news/toilet-paper-hygiene-ancient-rome-china 5 comments
- Toilet Paper History: How America Convinced the World to Wipe (2009) http://mentalfloss.com/article/23210/toilet-paper-history-how-america-convinced-world-wipe 100 comments
- Dear World, You're Welcome. Toilet Paper History: How America Convinced the World to Wipe http://blogs.static.mentalfloss.com/blogs/archives/40088.html 10 comments reddit.com
- The history of the Earth as told by ... a roll of toilet paper. http://www.worsleyschool.net/science/files/toiletpaper/history.html 10 comments science