National petroleum news  [electronic resource]. 
At head of title, May 1959-:  NPN Issues for Sept. 2006- have title:  NPN magazine 

 - Cleveland, Ohio :  National Petroleum Pub. Co. 
 - Monthly (with additional Factbook issue in mid-June),  <Oct. 1979-> 
 - Weekly,  1909-Oct. 1954 Monthly,  Nov. 1954-1957 Monthly (with additional Factbook issue in mid-May),  1958- 
 - Began with issue for Oct. 1, 1909. Ceased in 2013? 
<br/><br/> License restrictions may limit access. 
<br/><br/>Issues for <Vol. 96, no. 13-> issued by: Adams Business Media. 
<br/><br/>Even numbered issues published <Apr. 3, 1940-June 26, 1940> each also called: Refining technology edition. Separately paged section called Refining technology issued with the Refining technology edition issues; e.g. <pages R106-R244 with Apr. 3-June 26 1940 (even numbered issues)> Technical section, included in issues for July 29, 1942-Aug. 7, 1946, continued as the separate publication: Petroleum processing. Volumes for 1958-1991 include an annual Factbook issue. Volumes for 1992- include an annual Market facts issue. 
<br/><br/><label>ISSN: </label>
 = National petroleum news 
 = Natl. pet. news 
<br/><br/><label>LCCN: </label>55003942  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum--Periodicals.<br/>Petroleum industry and trade--Periodicals.<br/>Petroleum.<br/>Petroleum industry and trade.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic journals.
<br/><br/><label>LC Class. No.: </label>HD9560.1  / .N3 
<br/><br/><label>Dewey Class. No.: </label>338