3 September 2013 - ILM Montessori comments

"ARIF SAYS:
September 3, 2013 at 9:46 am

"I’d give almost give an arm and a leg to have a copy of “Teaching with Calvin and Hobbes”. Nice find!"

http://www.ilm-foundation.com/comics-in-the-classroom/#comment-33

1 September 2013 - ILM Montessori

http://www.ilm-foundation.com/comics-in-the-classroom/

1 September 2013 - Twitter @djsjollema

"schoolboek 'Teaching with Calvin and Hobbes'"

https://twitter.com/djsjollema/status/374067851629301762