Lewis E. Lehrman Books

Dining room service Hotel motel management series

By Lewis E Lehrman, Lewis Lehrman

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Lincoln at Peoria

By Lewis E. Lehrman

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Lincoln Churchill

By Lewis E. Lehrman

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"...Abraham Lincoln and Winston Churchill, as commanders in chief, led their nations to victory--Lincoln in the Civil War, Churchill in World War II. They became revered leaders--statesmen for all...

The true gold standard

By Lewis E. Lehrman

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Of the monetary reform plan -- Introduction -- The purpose of The True Gold Standard -- The properties of gold -- Restoration of the gold dollar -- How we get from here to there -- Conclusion -- Ap...

Money gold and history

By Lewis E. Lehrman

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ix, 251 pages : 22 cm

Lincoln

By Lewis E. Lehrman

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"Abraham Lincoln seldom got the chance to go to school. He went to school "by littles," he said, and received fewer than 12 months of schooling." "In the untrammeled interior of the mind's eye, yo...

The American founders

By Lewis E. Lehrman

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The Founders knew that their citizens and their government colleagues were imperfect. The Founders themselves were imperfect. In an imperfect world of imperfect people it could not be otherwise. In...

Great Lincoln Documents

By The Gilder Lehrman Institute Of American History

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The Civil War

By Manisha Sinha, Drew Gilpin Faust, Gary W. Gallagher, Eric Foner, Lewis E. Lehrman, Robert E. Bonner

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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.