Here are some links to lesson plans related to Shutting out the Sky and immigration to America, especially during the 19th century.

Learning about Immigration through Oral History

Immigration History Research Center

Library of Congress, Port of Entry: Immigration Teacher Material

Discovery School Immigration to the United States Lesson Plans

ProTeacher American Immigration Lesson Plans

The Triangle Factory Fire

Click here for the most comprehensive website on the Triangle Factory Fire of March 25, 1911.