Pro tem  presidents pro tempore of the United States Senate since 1789 
prepared by the Senate Historical Office under the direction of Nancy Erickson, Secretary of the Senate ; with a preface by Senator Robert C. Byrd, President pro tempore. 
 - Washington, D.C.  U.S. G.P.O.  2008. 
 - 116 p.  ill.  22 x 28 cm. 
 - S. pub.  110-18 .
<br/><br/> Shipping list no.: 2008-0417-P.  Includes index. 
<br/><br/>Foreword -- Preface -- The formative years, 1789-1860 -- A question of succession, 1861-1889 -- Fathers of the Senate,1890-1946 -- The modern era, 1947-present. 
<br/><br/><label>ISBN: </label>9780160799846 (pbk.)  40.00 0160799848 (pbk.) 
<br/><br/><label>LCCN: </label>2008004722  
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States Congress.  Senate --Presiding officers.<br/>United States Congress.  Senate --History.
<br/><br/><label>LC Class. No.: </label>JK1226  / .U55 2008 
<br/><br/><label>GPO Item No.: </label>0998-A-01 
<br/><br/><label>Gov. Doc. Class. No.: </label>Y 1.3:S.PUB.110-18