A free introductory program on genealogy will be presented at the Edgartown Public Library at 2 p.m. on Saturday, May 8, by the Vineyard chapter of the Massachusetts Society of Genealogists.

The program includes an overview on how to begin researching, introducing the types of charts used in genealogy and how to fill them out. Topics to be covered include the values and perils of Internet research, and accessing other genealogical sources, including those at the library.

For details, call 508-627-4221.