Digest of the United States Supreme Court reports /

From a speech in the united states, 1850 / by Seward, William H.

Efficiency and returns to scale in United States manufacturing : a linear programming approach by Burley, H T

Economic fluctuations in the United States, 1921-1941 / by Klein, Lawrence Robert, 1920-2013

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Economic history of the United States with questions and answers / by Kemmerer, Donald L., 1905-1993

A guide to the study of the United States of America : representative books refleting the development of american life and thought / by Basler, Roy P.

Trees of the Eastern and Central United States and Canada / by Harlow, William M.

Wild ans scenic rivers of the United States /

Canada/United States Air Quality Agreement : progress report - March 1962 /

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The United States as seen by spanish american writers : 1776-1890 / José de Onís. by Onís, José de

Statistical abstract of the United States-México borderlands /

Insights on the child development movement in the United States / by Senn, Milton J. E.

A congressional history of railways in the United States : 1850-1887 / by Haney, Lewis Henry, 1882-1969

A history of United States foreign policy / by Pratt, Julius William 1888

Our United States in a world of neighboars / by Carls, Norman

The radical novel in the United States 1900-1954 : some interrelations of literature and society / by Rideout, Walter B. (Walter Bates), 1917-2006

Our United States in a world of neighbors / by Carls, Norman

Basic documents in United States foreign policy / by Brockway, Thomas P. (Thomas Parmelee)

The United States political system and how it works / by Coyle, David Cushman, 1887-1969

Laws of the United States relating to international revenue.