Donna C. Roper Books

Plains Earthlodges: Ethnographic And Archaeological Perspectives

By W. Raymond Wood, Michael Scullin, Donna C. Roper, Margot P. Liberty, Jennifer R. Bales, Donald J. Blakeslee, Kenneth L. Kvamme, Elizabeth P. Pauls, Steven C. Lensink

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A survey of Native American earthlodge research from across the Great Plains. Early explorers initially believed the earthlodge homes of Plains village peoples were made entirely of earth. Actually...

Plains Earthlodges: Ethnographic And Archaeological Perspectives

By W. Raymond Wood, Michael Scullin, Donna C. Roper, Margot P. Liberty, Jennifer R. Bales, Donald J. Blakeslee, Kenneth L. Kvamme, Elizabeth P. Pauls, Steven C. Lensink

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The airport site

By Donna C. Roper

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Medicine Creek

By Donna C. Roper

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Plains Earthlodges: Ethnographic And Archaeological Perspectives

By W. Raymond Wood, Michael Scullin, Donna C. Roper, Margot P. Liberty, Jennifer R. Bales, Donald J. Blakeslee, Kenneth L. Kvamme, Elizabeth P. Pauls, Steven C. Lensink

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Medicine Creek

By Robert Blasing, Donna C. Roper, Steven R. Holen, Linda Scott Cummings, W. D. Frankforter

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Archaeological survey and settlement pattern models in central Illinois

By Donna C. Roper

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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.