This collection contains correspondence, book catalogs, and research materials of Frederick Ungar, especially those relating to the Frederick Ungar Publishing Company.
Methodist missionary and science teacher in the Kiansi Province of China from 1910 to 1931. He and his wife, a fellow missionary, later settled in DeWitt, New York.
This collection documents the activities of the members of the Freligh family who lived primarily in the Niskayuna area during the 18th, 19th, and 20th centuries.
Frieda Wunderlich taught at the New School for Social Research and was an authority on farm labor in Germany and the Soviet Union. The bulk of the collection consists of publications of Wunderlich, primarily in the anti-Hitler periodical Soziale Praxis, which she edited from 1923 until she emigrated to the United States in 1933.
Tetens was a journalist and political pamphleteer who also wrote under the pseudonym Anton Pettenkofer. This collection contains correspondence, unpublished manuscripts, and information about the anti-Nazi movement.