Masacre de la mina Columbine (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Masacre de la mina Columbine" in Spanish language version.

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1patrickmurfin.blogspot.com

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1industrialworker.org

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doi.org

dx.doi.org

McClurg, Donald J. (January 1963). «The Colorado coal strike of 1927 — tactical leadership of the IWW». Labor History 4 (1): 68-92. doi:10.1080/00236566308583916.

industrialworker.org

Weinberg, Rachel (18 de diciembre de 2020). «Deep Cuts — Colorado Coal Strike Part 3: December 3rd, 1927». IWW Org.

patrickmurfin.blogspot.com

Murfin, Patrick (18 de octubre de 2013). «Blood on the Coal – Colorado Strike of 1927». Heretic, Rebel, a Thing to Flout.

usc.edu

scalar.usc.edu

Schreck, Christopher J. «The Strike of 1927». Consultado el 6 de noviembre de 2019.