Curtis C. Roseman Books

Building the American dream

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"Swedish immigrants Gustaf Adolph Johnson (1880-1947) and Selma Anna Sofia Carlson (1879-1967) built a family and a career in a Midwestern town during the early twentieth century. This book tells t...

The historic core of Los Angeles

By Curtis C. Roseman

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Historic hotels of Los Angeles and Hollywood

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Los Angeles in World War II

By Ruth Wallach

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EthniCity

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EthniCity

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Intricate Relations

By Karen A. Weyler, Karen Ann Weyler

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"In June 1854 the Grand Excursion celebrated in festive style the completion of the Chicago and Rock Island Railroad to the Mississippi River. Hundreds of dignitaries traveled by rail from Chicago...

Grand Excursions on the Upper Mississippi River

By Curtis C. Elizabeth M. Roseman Roseman

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Changing migration patterns within the United States

By Curtis C. Roseman

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Multiple residence and cyclical migration in western societies

By Curtis C. Roseman

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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.