A valuable collection of online resources focusing on slavery in America.

Runaway advertisements and Notices of Committal are some of the most rewarding sources for ascertaining the movement, motivation, and destination of enslaved persons have have taken flight. This is a collection of runaway ads placed by slave owners or their representatives in newspapers.

A powerful collection of data and documentation on the trans-atlantic slave trade.

A tremendous collection of primary source documents from around the world and throughout history.

The state guides developed by authors from the Federal Writers' Project - a WPA group that came to be during the depression - are fascinating snapshots of the country as it was in the early part of the 20th century. They contain quite a lot of history and local stories and can be a wonderful way to compare the regions with how they currently are.

New York Public Library document resources are now available from WITHIN VoiceThread. Could be an interesting way to integrate primary sources with VoiceThread collaborations.