-- GUIDE -- Table of Contents

Primary Source materials are...
 

authentic and original materials such as letters, diaries, photographs, and maps
thousands of previously unavailable documents have been digitized and are available online
great for making historical connections in science, a National Science Education Standard
 

Miami 1925

Cleveland 1909

Phoenix 1908

BACK to Primary Source PAUSE and listen to instructor...
 

Introduction

Examples

Review

Population Conclusions  

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