Waldemar A. Nielsen Books

Golden donors

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"The world of the golden donors - the rich and influential philanthropic foundations - is quite likely the least known and yet most pervasive of all the invisible money and power networks in Americ...

The big foundations

By Waldemar A Nielsen

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The big foundations

By Waldemar A. Nielsen

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The endangered sector

By Waldemar A. Nielsen

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The great powers and Africa

By Waldemar A. Nielsen

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The golden donors

By Waldemar A. Nielsen

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The golden donors

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Book is gift donation from Iran.

Golden donors

By Waldemar A. Nielsen

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Inside American philanthropy

By Waldemar A. Nielsen

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This penetrating analysis of the inner workings of American philanthropic foundations focuses on the crucial role played by the men and women who create them. Philanthropy's preeminent expert and c...

Endangered Sector

By Waldemar A. Nielsen

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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.