The papers presented in this publication were delivered at the annual Census Tract Conference held in Minneapolis, Minn. on September 8, 1962, in connection with the annual meeting of the American Statistical Association. Presiding were Harlin G. Loomer, Chairman, Committee on Census Tracts of ASA and Robert C. Klove, Assistant Chief for Research and Development, Geography Division, Bureau of the Census. These papers were prepared by users of census tract statistics. They serve as guides to those who wish to learn more about the use of census tract statistics.