PBS
Pbs Learning Media: Primary Source Set: The Homestead Strike
This collection uses primary sources to explore the Homestead Strike.
Other
Red Mountain High School: The Growing u.s. In the Late 1800's/early 1900's [Pdf]
A PowerPoint presentation covering American history during the second Industrial Revolution. Learn the forces behind monopolies, the growth of cities, and the development of labor unions among other aspects of progression at this time in...
Chicago History Museum
Encyclopedia of Chicago: Haymarket and May Day
Read this historical account of the events that led to the infamous labor dispute known as the Haymarket Square Riots on May 4th of 1886.
PBS
Pbs: American Experience: The Iron Road
A good summary of the history of the building of first transcontinental railroad and images of the transcontinental railroad. From the introduction to the PBS video, The Iron Road.