Stern.

The most reflective use of personal documents for the study of the
problems of the immigrant has been made by Thomas and Znaniecki in _The
Polish Peasant in Europe and America_. In these studies letters and
life-histories have been, for the first time, methodically employed to
exhibit the processes of adjustment in the transition from a European
peasant village to the immigrant colony of an American industrial
community.

The work of Thomas and Znaniecki is in a real sense a study of the
Polish community in Europe and America. Less ambitious studies have been
made of individual immigrant communities. Several religious communities
composed of isolated and unassimilated groups, such as the German
Mennonites, have been intensively studied.

Materials valuable for the study of certain immigrant communities,
assembled for quite other purposes, are contained in the almanacs,
yearbooks, and local histories of the various immigrant communities. The
most interesting of these are the _Jewish Communal Register_ of New York
and the studies made by the Norwegian Lutheran Church in America under
the direction of O. M. Norlie.[249]

SELECTED BIBLIOGRAPHY

I. ASSIMILATION AND AMALGAMATION

A. _The Psychology and Sociology of Assimilation_

(1) Wundt, Wilhelm. "Bermerkungen zur Associationslehre,"
_Philosophische Studien_, VII (1892), 329-61. ["Complication und
Assimilation," pp. 334-53.]

(2) ----. _Grundzuege der physiologischen Psychologie._ "Assimilationen,"
III, 528-35. 5th ed. Leipzig, 1903.

(3) Ward, James. "Association and Assimilation," _Mind_, N.S., II
(1893), 347-62; III (1894), 509-32.

(4) Baldwin, J. Mark. _Mental Development in the Child and the Race._
Methods and processes. "Assimilation, Recognition," pp. 308-19. New
York, 1895.

(5) Novicow, J. _Les Luttes entre societes humaines et leur phases
successives._ Book II, chap. vii, "La Denationalisation," pp. 125-53.
Paris, 1893. [Definition of denationalization.]

(6) Ratzenhofer, Gustav. _Die sociologische Erkenntnis_, pp. 41-42.
Leipzig, 1898.

(7) Park, Robert E. "Racial Assimilation in Secondary Groups with
Particular Reference to the Negro," _American Journal of Sociology_, XIX
(1913-14), 606-23.

(8) Simons, Sarah E. "Social Assimilation," _American Journal of
Sociology_, VI (1900-1901), 790-822; VII (1901-2), 53-79, 234-48,
386-404, 539-56. [Bibliography.]

(9) Jenks, Albert E. "Assimilation in the Philippines as Interpreted in