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Los Seis de Boulder: A Resource Guide

A guide to resources that document and contextualize the May 1974 "Los Seis de Boulder" bombings

Primary Sources Documenting Los Seis de Boulder

The  primary sources listed below include archival collections that document the events of and surrounding the May 1974 "Los Seis de Boulder" bombings,  These collections are organized into two categories: those available in the CU Boulder Libraries Rare and Distinctive Collections and those that are available at other institutions or organizations.  These archival collections contain unique, one-of-a-kind papers, photographs, organizational records, and films documenting Los Seis, as well as other events and individuals related to El Movimiento (the Chicano Movement) in Colorado.




Image credit: El Diario de la Gente, Volume III, Number 1, June 11, 1974, p. 2.  Source: Colorado Historic Newspaper Collection

Primary Sources at the CU Boulder Libraries

Click on the links below to learn more information about these collections held at the CU Boulder Libraries. Contact to access any of these collections in the RaD Reading Room in Norlin Library.  We may also be able to provide you with PDF copies of collection materials if you are not able to visit us in person.


For more information on CU's Rare and Distinctive Collections, visit our website:

Other Primary Sources

The following archival and primary source collections are housed at other institutions. Click on the linked titles below for a description, or finding aid, to each collection.  For access to these collections, please contact the repository listed on the finding aid.

Rare and Distinctive Collections


Classroom: Norlin N345

Reading Room: Norlin M350B