Jerzy Tomaszewski Books

Ch. 5 (pp. 96-120) discusses the position of the Jews. Mentions antisemitic incidents, such as the Lvov pogrom in 1918, and describes the right-wing parties' activities against the Jews, including...

Mniejszosci narodowe w Polsce XX wieku

By Jerzy Tomaszewski

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Czechoslowacja

By Jerzy Tomaszewski

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Zarys dziejow Zydow w Polsce w latach 1918-1939

By Jerzy Tomaszewski

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Traces the history of the Jews in interwar Poland against the background of the political situation in the country. Discusses the legal status of the Jews, and formal equality of rights and its lim...

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.