Constitutional Law by New York University School of Law
This note explains the following topics: Origins of the US Constitution, Ratification of the Constitution, Federal implied powers under the Commerce Clause, United States v. Darby, SC switches direction, State sovereign immunity, Separation of powers, Equal Protection: Slavery to Reconstruction; Incorporation, Reconstruction Amendments, Incorporation, Gender Equal Protection, Implied right of economic liberty.
Author(s): New York University School of Law
100 Pages 
Constitutional Law by National Open University of Nigeria
This Book covers definition and scope of constitutional law and traditional constitutional concept, Sources of a constitution, Federalism, Separation of Powers, The rule of law, Classification of Constitutions, Systems of government, Constitutional supremacy, Parliamentary supremacy, Constitutional development of Nigeria, Constitutional development, Constitutional development in Nigeria: 1979 to Date.
Author(s): National Open University of Nigeria
90 Pages
The PDF covers the following topics related to Constitutional Law : Introduction, Citizenship, Fundamental Rights, Fundamental Duties, Directive Principles, Union Executive : Legislature and Judiciary, State Executive, Legislature and Judiciary.
Author(s): Rennaissance Law College
115 Pages
The book became a standard work which was translated into several languages. Bagehot began his book by saying, do not be fooled by constitutional theories and formal institutional continuities– concentrate instead on the real centers of power and the practical working of the political system. He dismissed the two theories of the division of powers and of checks and balances as erroneous.
Author(s): Walter Bagehot
NA Pages
The general principles of constitutional law in the United States of America
This book presents succinctly the general principle of constitutional law, whether they pertain to the federal system, or to the state system, or to both.
Author(s): Andrew Cunningham McLaughlin and Thomas McIntyre Cooley
497 Pages
