Philip Sutton, writing for the New York Public Library, gives us a detailed article outlining the history of city directories and focuses on those of New York City. So whether your interest is particularly focused on NYC or not, this article will have something for you.
The history ranges back to the 1700's and gives a good understanding of city directories in general. The article explains what city directories have to offer (images, maps, name lists, etc.) and of what genealogical value they have. It also provides links to some online directories.
The Pinellas Genealogy Society offers a class on using city directories that you may want to check out. This article is a worth while addition.
Direct Me NYC 1786: A History of City Directories in the United States and New York City | The New York Public Library:
'via Blog this'