The Family Tree Makers Family Archives CD-ROMs provide a comprehensive tool for genealogy enthusiasts, allowing users to explore and create their family trees with ease. With a focus on making genealogical research accessible, the software offers a user-friendly interface for Windows and Mac operating systems. Created by Broderbund, the CD-ROMs contain a wealth of English language resources to help users delve into their family history and heritage. Perfect for those looking to connect with their past and preserve their family's legacy. I do not know if thry have ever been used. I have never used them. CD #307 is the census microfilm records for Massachusetts , 1850 and has 6 discs and a booklet. CD #454 iscthe census microfilm records for: Maine, New Hampshire, and Vermont, 1850 and has 5 discs and a booklet.