There is a lot of great material available on Men’s Sheds.

Here are a few sources:

• Where’s the Proof?
  Men’s Shed Ottawa Centre’s web page collection of proof of Shedder’s assertions
• Men’s Sheds: Men Helping Men
  November 5, 2019 By Wendy Haaf goodtimes.ca

For those who want a deep dive, there are two books edited by Barry Golding. Each is over 400 pages long. We know of no other source more complete or authoritative:

• The Men’s Shed Movement: The Company of Men – Aug. 14 2015
• Shoulder to Shoulder: Broadening the Men’s Shed Movement – Oct. 14 2021