New
York.]

(7) _Boyhood and Lawlessness._ Chap. iv, "His Gangs," pp. 39-54. Russell
Sage Foundation, New York, 1914.

(8) Culin, Stewart. "Street Games of Boys in Brooklyn, N.Y.," _The
Journal of American Folklore_, IV (1891), 221-37. [For observations on
gangs see p. 235.]

(9) Adams, Brewster. "The Street Gang as a Factor in Politics,"
_Outlook_ LXXIV (1903), 985-88.

(10) Lane, W. D. "The Four Gunmen," _The Survey_, XXXII (1914), 13-16.

(11) Rhodes, J. F. "The Molly Maguires in the Anthracite Region of
Pennsylvania," _American Historical Review_, XV (1909-10) 547-61.

(12) Train, Arthur. "Imported Crime: The Story of the Camorra in
America," _McClure's_, XXXIX (1912), 82-94.

B. _Sects_

(1) Nordhoff, Charles. _The Communistic Societies of the United States
from Personal Visit and Observation._ Including chapters on "The Amana
Society," "The Separatists of Zoar," "The Shakers," "The Oneida and
Wallingford Perfectionists," "The Aurora and Bethel Communes." New York,
1875.

(2) Gillin, John L. _The Dunkers: A Sociological Interpretation._ New
York, 1906. [Columbia University dissertation, V, 2.]

(3) Milmine, Georgine. _The Life of Mary Baker G. Eddy and the History
of Christian Science._ New York, 1909.

(4) Gehring, Johannes. _Die Sekten der russischen Kirche, 1003-1897._
Nach ihrem Ursprunge und inneren Zusammenhange dargestellt. Leipzig,
1898.

(5) Grass, K. K. _Die russischen Sekten._ I, "Die Gottesleute oder
Chluesten"; II, "Die weissen Tauben oder Skopzen." Leipzig, 1907-9.

(6) Lea, Henry Charles. _The Moriscos of Spain._ Their conversion and
expulsion. Philadelphia, 1901.

(7) Friesen, P. M. _Geschichte der alt-evangelischen mennoniten
Bruederschaft in Russland (1789-1910) im Rahmen der mennonitischen
Gesamtgeschichte._ Halbstadt, 1911.

(8) Kalb, Ernst. _Kirchen und Sekten der Gegenwart._ Unter Mitarbeit
verschiedener evangelischer Theologen. Stuttgart, 1905.

(9) Mathiez, Albert. _Les origines des cultes revolutionnaires._
(1789-92). Paris, 1904.

(10) Rossi, Pasquale. _Mistici e Settarii._ Studio di psicopatologia
collettiva. Milan, 1900.

(11) Rohde, Erwin. _Psyche: Seelencult und Unsterblichkeitsglaube der
Griechen._ Freiburg, 1890.

C. _Economic Conflict Groups_

(1) Webb, Sidney and Beatrice. _Industrial Democracy._ London, 1897.

(2) ----. _The History of Trade Unionism._ (Revised edition extended to
1920.) New York and London, 1920.

(3) Commons, John R., editor. _