Labor History - 1914 - John D. Rockefeller Sent the National Guard to Kill American Families - Unite All Workers for Democracy

The Ludlow Massacre is a dark stain on the fabric of American history. In April 1914, members of Colorado’s National Guard mobilized by John D. Rockefeller, Jr. attacked and set […]

John D. Rockefeller, Biography, Facts & Significance - Video & Lesson Transcript

Chapter 9 Introductory Essay: 1877-1898 - Bill of Rights Institute

American Labor and Working-Class History, 1900–1945

Chapter 9 Introductory Essay: 1877-1898 - Bill of Rights Institute

Ludlow Massacre - Wikipedia

The Arrival of Mother Jones The Spirit of Mother Jones Festival

Ludlow Massacre, 1914 Stock Photo - Alamy

Yes, Ludlow Was a Massacre” by DeStefanis & Feurer, with Response by Martelle and Andrews – LAWCHA

Remembering the Ludlow Massacre - World Socialist Web Site

The Ludlow Massacre, American Experience, Official Site