Includes cases argued and determined in the District Courts of the United States and, Mar./May 1880-Oct./Nov. 1912, the Circuit Courts of the United States; Sept./Dec. 1891-Sept./Nov. 1924, the Circuit Courts of Appeals of the United States; Aug./Oct. 1911-Jan./Feb. 1914, the Commerce Court of the United States; Sept./Oct. 1919-Sept./Nov. 1924, the Court of Appeals of the District of Columbia.

"Comprising all the decisions of the Supreme Courts of California, Kansas, Oregon, Washington, Colorado, Montana, Arizona, Nevada, Idaho, Wyoming, Utah, New Mexico, Oklahoma, District Courts of Appeal and Appellate Department of the Superior Court of California and Criminal Court of Appeals of Oklahoma." (varies)