Beginning in 1924, Proceedings are incorporated into the Apr. number.

" ... provides updated county and town listings within the same overall state-by-state organization ... information on records and holdings for every county in the United States, as well as excellent maps from renowned mapmaker William Dollarhide ... The availability of census records such as federal, state, and territorial census reports is covered in detail ... Vital records are also discussed, including when and where they were kept and how"--Publisher decription.