US Vital Statistics Volumes 1900-1968
These files cover the Births or Natality chapters of the published volumes of vital statistics from the US National Center for Health Statistics for the period 1931 through 1968. They have the same content as the files at
but are compressed using software from CVisionTech called CVista. These files are about half the size of the originals, but preserve all the detail. Acrobat 5.0 or better is required to view them.
These files are quite large. Most single years are 10-20 megabytes with the multi-year book more than 40 megabytes. 1938 did not compress well and checks in at 147 megabytes. You can download it in sections here . A smaller PDF containing only the tables of contents is also available to help you avoid downloading large files that do not contain the tables you need.
An interactive index which allows the selection and download of individual tables is available here .