Robert Steven Grumet Books

Native Americans of the Northwest Coast

By Robert Steven Grumet

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Narrative discussing over 200 references.

The Lenapes

By Robert Steven Grumet

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Examines the history, culture, and changing fortunes of the Lenape (also known as Delaware) Indians.

First Manhattans

By Robert Steven Grumet

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Manhattan to Minisink American Indian Place Names of Greater New York and Vicinity

By Robert S. Grumet

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"Drivers exiting the New Jersey Turnpike for Perth Amboy, and map readers marveling at all the places in Pennsylvania named Lackawanna, need no longer wonder how these names originated. Manhattan t...

Historic contact

By Robert Steven Grumet

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Voices from the Delaware Big House Ceremony Civilization of the American Indian Series

By Robert Steven Grumet

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Journey on the Forbidden Path

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Native American place names in New York City

By Robert Steven Grumet

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Native American place names in New York City

By Robert Steven Grumet

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The Lenapes

By Robert Steven Grumet

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Examines the history, culture, and changing fortunes of the Lenape (also known as Delaware) Indians.

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.