Denver, Colorado, Golden Bell Press, no date, 1950s. Hardcover. xii, 372p., line maps and period illustrations from photography, later edition (first published 1942) hardbound in red cloth boards and dust jacket. Casing and textblock are very sound and clean; dj has tears, splits along foldlines, and a margin that may be mouse-gnawed.
Lawson was a leader of the Colorado coal miners during the Ludlow strike and massacre.