Correspondence, 1899-1936
The Correspondence series dates from 1899 to 1936 with some scattering of family and estate materials dating up to 1943. It is the largest series in the collection and concerns family matters, highway transportation, the automobile industry, general economic conditions, foreign trade, World War I, national defense, state and national politics, the Republican Party, and University of Michigan affairs. Correspondents include national and state political and business leaders.