"Prepared by Mrs. Carol P. Brainerd."--Letter of transmittal."Developed from data collected and tabulated by the State, county, and municipal survey, ...
"Prepared by Mrs. Carol P. Brainerd."--Letter of transmittal.
"Developed from data collected and tabulated by the State, county, and municipal survey, which was operated by the bureau of labor statistics ... from December 1938 until March 1943."--P.[1]