Incoming Resources
- The descendants of George Edgar Ladd, 1864-1940, a listing, together with an account of their lives, through 1985, compiled by Nancy P. (Clapp) Roe and Gail R. Scott
- The Ladd family., A genealogical and biographical memoir of the descendants of Daniel Ladd, of Haverhill, Mass., Joseph Ladd, of Portsmouth, R.I., John Ladd, of Burlington, N.J., John Ladd, of Charles City Co., Va., Comp. by Warren Ladd