Margaret K. Hofer Books

The Lamps of Tiffany Studios Nature Illuminated

By Margaret K. Hofer

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The Games We played

By Margaret K. Hofer

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"A veritable encyclopedia of late 19th and early 20th century games, this playful visual survey provides a revealing look at the social values and preoccupatons of the cuture that produced them."--...

A New Light on Tiffany

By Margi Hofer

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Making it modern

By Margaret K. Hofer

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This lavishly illustrated volume is the first comprehensive study of the folk art collection purchased by the New-York Historical Society from Elie and Viola Nadelman in 1937. Exhibited by the coup...

Stories In Sterling Four Centuries Of Silver In New York Exhibition Held At The Newyork Historical Society From May 4 To September 2 2012

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Tiffany in Neuem Licht

By Tim Beeby, Nina Gray, Stefan Barmann, Margaret K. Hofer, Martin Eidelberg

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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.