"Site of the Haymarket Tragedy". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Diarkibkan daripada yang asal pada 2006-07-14. Dicapai pada 19 Januari 2008.
chicagohistory.org
Smith, Carl. "Act III: Toils of the Law". The Dramas of Haymarket. Chicago Historical Society and Northwestern University. Diarkibkan daripada yang asal pada 2012-06-04. Dicapai pada 14 Jun 2012.
Act II: Let Your Tragedy Be Enacted Here, Moment of TruthDiarkibkan 2008-03-15 di Wayback Machine, 2000, The Dramas of Haymarket, Chicago Historical Society, "The details are factually incorrect, because by all accounts Fielden ended his speech before the bomb was thrown, and because the riot did not begin until after the explosion. In [this] depiction, the speech, the explosion, and the riot all take place at once."
Act II: Let Your Tragedy Be Enacted Here, Moment of TruthDiarkibkan 2008-03-15 di Wayback Machine, 2000, The Dramas of Haymarket, Chicago Historical Society, "The details are factually incorrect, because by all accounts Fielden ended his speech before the bomb was thrown, and because the riot did not begin until after the explosion. In [this] depiction, the speech, the explosion, and the riot all take place at once."
Smith, Carl. "Act III: Toils of the Law". The Dramas of Haymarket. Chicago Historical Society and Northwestern University. Diarkibkan daripada yang asal pada 2012-06-04. Dicapai pada 14 Jun 2012.
"Site of the Haymarket Tragedy". City of Chicago Department of Planning and Development, Landmarks Division. 2003. Diarkibkan daripada yang asal pada 2006-07-14. Dicapai pada 19 Januari 2008.