https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English the Masses, Volume 1, Number 4...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English The Masses, Volume 1, Issue 8...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English The Masses, Volume 1, Issue 11...
"Fred A. Warren" 1911 photo - from, The Masses, Volume 1, Number 2 (page 4 crop).jpg...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English The Midland Naturalist - volume 7 - volume 8...
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English The Midland Naturalist - volume 11 - volume 12...
org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse English The Midland Naturalist - volume 9 - volume 10 determination method: SHA-1...
4.0 Creative Commons Attribution 4.0 truetrue English Writing Manuals for the Masses: The Rise of the Literary Advice Industry from Quill to Keyboard...
"Diaz, the Executioner of Mexican Liberty" 1911 art - from, The Masses, Volume 1, Number 3 (page 6 crop).jpg...