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Geology and coal resources of the Carbon Creek-Mount Bickford map-area
Mathews, W. H., (1947)
The economic geology of coal in New Mexico
Kottlowski, Frank E., (1964)
Referate / Berg- und Hüttenmännischer Tag ; Bergakademie Freiberg
(1988)
Scarcity in the modern world : history, politics, society and sustainability, 1800-2075
Jonsson, Fredrik Albritton, (2019)
Margaret Schabas, The Natural Origins of Economics.
Jonsson, Fredrik Albritton, (2008)