• American Battle Monuments Commission: Search for almost 125,000 US War dead buried in 24 overseas cemeteries (the Corozal American Cemetery database also names civilians who worked on the Panama Canal), as well as more than 94,000 military commemorated on Tablets of the Missing.

• USGenWeb Project: This sprawling, all-volunteer site is packed with how-to tips, queries and records for every state and most counties within those states. Special records preservation projects cover subjects such as censuses, tombstones and family group sheets. Don’t miss the easy-to-overlook search of the entire site or any one state.

See the rest of our 101 Best Sites in the Research Toolkit area of our Web site.