Suspected bombers
Agnes Inglis - Wikipedia
https://en.wikipedia.org/wiki/Agnes_Inglis
Effects on the labor movement and May Day
http://dynamics.org/Altenberg/PAPERS/BCLSFV/REFS/Stanford_Cooperation_of_labor.1887.pdf
http://dynamics.org/Altenberg/PAPERS/BCLSFV/REFS/Stanford_Cooperation_of_labor.1887.pdfStanford University - Wikipedia
https://en.wikipedia.org/wiki/Stanford_University
Pardons and historical characterization
Absolute Pardon
http://www.chicagohistoryresources.org/dramas/act5/absolutePardon/theFriendOfMadDogs_f.htmhttp://www.nga.org/cms/home/governors/past-governors-bios/page_illinois/col2-content/main-content-list/title_altgeld_john.html
http://www.nga.org/cms/home/governors/past-governors-bios/page_illinois/col2-content/main-content-list/title_altgeld_john.htmlhttp://www.fjc.gov/history/home.nsf/page/tu_debs_bio_altgeld.html
http://www.fjc.gov/history/home.nsf/page/tu_debs_bio_altgeld.htmlLabor spying in the United States - Wikipedia
https://en.wikipedia.org/wiki/Labor_spies#A_historical_overview
Legal proceedings
What Happened at Haymarket? | National Review
https://www.nationalreview.com/nrd/articles/338656/what-happened-haymarketHADC - Grand jury indictments for murder, 1886 June 4.
http://www.chicagohistoryresources.org/hadc/transcript/volume1/000-050/1003B-022.htmhttp://homicide.northwestern.edu/docs_fk/homicide/AAA/Anarchy.10.pdf
http://homicide.northwestern.edu/docs_fk/homicide/AAA/Anarchy.10.pdfhttp://homicide.northwestern.edu/docs_fk/homicide/AAA/Anarchy.11.pdf
http://homicide.northwestern.edu/docs_fk/homicide/AAA/Anarchy.11.pdf
Background
Anarchy’s Red Hand
http://famous-trials.com/haymarket/1191-redhand5-6Log In ‹ Haymarket Watch — WordPress
http://blogs.bgsu.edu/haymarket/myth-4-the-great-march-of-the-80000/