Oliver Ormerod Jensen Books

352 pages : 32 cm Colonial Wars, The Revolutionary War, The War Of 1812The Mexican War, Civil War, Spanish- American War, World War I, World War II, Korea And Vietnam In Pictures And Text "A Bison...

The American Heritage History Of Railroads In America

By Oliver Jensen, Oliver Ormerod Jensen

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By Oliver Jensen. Includes Bibliographical References (p. [314]) And Index.

America'S Yesterdays: Images Of Our Lost Past Discovered In The Photographic Archives Of The Library Of Congress

By Library Of Congress, Oliver Jensen, Shirley L. Green, Oliver Ormerod Jensen, Library Of Congress Prints, Photographs Division.

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It's truly wonderful to see such a vast collection of high quality snapshots of America's past. This collection from the files of the Library of Congress makes the viewer of the book feel like they...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.