Labor Day and U.S. Labor History
Haymarket Affair, History, Aftermath, & Influence
History of Labor Day U.S. Department of Labor
Homepage - Old Salem Museums & Gardens
International Workers' Day - Wikipedia
Flocabulary - Educational Hip-Hop
Labor Day Facts, Worksheets & Historic Information For Kids
A History of Labor Day - The New York Times
Labor and Civil Rights Struggles in Iowa's Present, Past, and Future
Labor Day 2023: Facts, Meaning & Founding
Protests of 1968 - Wikipedia
Austin History Center, Austin Public Library
Labor Union: Definition, History, and Examples