Title page from The Federal and State Constitutions, 7 vols.

The Federal and State Constitutions, 7 vols.

Thorpe was commissioned by the U.S. Congress to edit a 7 volume collection of Colonial, Federal and State constitutions in 1906. The volumes are in alphabetical order, with Volume 1 dealing with United States-Alabama-District of Columbia; Vol. 2 Florida-Kansas; Vol. 3 Kentucky-Massachusetts; Vol. 4 Michigan-New Hampshire; Vol. 5 New Jersey-Philippine Islands; Vol. 6 Porto Rico-Vermont; Vol. 7 Virginia-Wyoming.