Website full of resources for educators who teach for social justice. Curriculum and resources are amongst the many facets of social justice education discussed for teachers.

Biographies of a couple dozen labor leaders in the USA and Western Europe. Provides useful perspective into bottom-up history.

Website full of immigration records in 19th and early 20th century. Could be a useful tool to understand patterns of American immigration.

A website full of the records of the British Parliament. A potentially useful tool for comparative government.

A political and historical website with a very clear left-leaning bias. Provides an interesting insight into the logic and reasoning of a growing political minority.