Hannes Kleineke Books

Edward IV

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A central personality in both historical study and literary fame, Edward IV is as fascinating a character now as he was for William Shakespeare. Drawing together research and original sources, Hann...

Edward IV

By Hannes Kleineke

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The estate and household accounts of William Worsley, dean of St Paul's Cathedral, 1479-1497

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St. Pauls Cathedral is located in London, England. William Worsley was the dean of the clergy from 1479 - 1497. He is a descendant from John Booth, d. 1422, of Barton, who married Joan Trafford. Th...

The estate and household accounts of William Worsley, dean of St Paul's Cathedral, 1479-1497

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The Yorkist age

By Christian Steer, Hannes Kleineke

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Edward IV

By Hannes Kleineke

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Chancery Case Between Nicholas Radford and Thomas Tremayne

By Devon And Cornwall Record Society Staff, Hannes Kleineke

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Parliamentarians at law

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Fifteenth Century

By Linda Clark, Hannes Kleineke

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Parliament personalities and power

By Hannes Kleineke

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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.