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Immigration Law: An Open Casebook
Kit Johnson
Hugh Roff Professor of Law and Thomas P. Hester Presidential Professor
University of Oklahoma College of Law
Third edition available!

Immigration Law: An Open Casebook is the first open-source/open-access casebook on U.S. immigration law. The third edition is designed to serve as the principal text for a broad-based immigration law course. The book provides explanations and primary source readings regarding immigration law in the United States. Topics include the constitutional bases for regulating immigration, the contours of the immigration bureaucracy, the admission of immigrants and nonimmigrants into the United States, the deportation and exclusion of noncitizens, refugee and asylum law, and the law concerning citizenship and naturalization.

The book has a Creative Commons license that allows adopters to add to, delete from, abridge, rearrange, and alter the work as best fits their courses. (See "Notices" inside the book.)

Questions? Adopting the book? Email kit.johnson@ou.edu.

Also see Crimmigration Law: An Open Casebook and Immigration Law: Statutory Supplement .


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Version 3.0 (CURRENT EDITION) (July 2025)

free download (posted July 28, 2025)

printed paperback


book cover of Immigration Law An Open Casebook showing orange-green backpack next to railroad tracks

Version 2.1 (prior edition) (July 2024)

free download (posted July 17, 2024)

printed paperback

Version 2.0 (prior edition) (June 2023)


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Version 1.0 (prior edition) (July 2022)

free download (posted July 10, 2022)

printed paperback