3 ms·
https://en.wikipedia.org/wiki/Eight-hour_day https://en.wikipedia.org/wiki/Eight-hour_day For something more 'reputable' than wikipedia, check the footnotes of
by sfRattan 9y ago
https://en.wikipedia.org/wiki/Eight-hour_day https://en.wikipedia.org/wiki/Eight-hour_day
For something more 'reputable' than wikipedia, check the footnotes of the article, specifically:
http://www.encyclopedia.chicagohistory.org/pages/417.html http://www.encyclopedia.chicagohistory.org/pages/417.html