Digital library
Textbooks, references and open learning resources.

External
BIO 2: Introduction to Human Biology
Suzanne Wakim & Mandeep Grewal · Butte College
In the contents: 17.3: Heart

External
General Chemistry: An Atoms First Approach
Joshua Halpern · Howard University
In the contents: Chapter 2.4: Wave - Particle Duality · Chapter 13.6: Aggregate Particles · Chapter 20.4: The Alkaline Earth Metals (Group 2)

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Investigations in Climate Change
Neel Desai and Alicia Mullens · De Anza College
In the contents: 02: Defining Earth's Climate · 05: Earth's Energy Budget · 5.04: Other factors affecting Earths Energy Budget
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Electromagnetics I
Steven W. Ellingson · Virginia Tech
In the contents: 3.19: Quarter-Wavelength Transmission Line · 4.02: Cartesian Coordinates

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Expression and Inquiry
Chris Manning, Sally Pierce, and Melissa Lucken · Lansing Community College
In the contents: 01: PART I · 01: Part I Overview- The Writing Process · 9.09: Analyze Each Part of Your Paper

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An Introduction to Ontology Engineering
Maria Keet · University of Cape Town
In the contents: 7.03: Part-Whole Relations

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Essentials of Linguistics
Catherine Anderson · McMaster University
In the contents: 2.07: Articulators · 3.05: Articulatory Processes- Assimilation · 3.06: Other Articulatory Processes

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Oceanography
Hill et al. · University of California, Davis
In the contents: 02: Earth: Formation and Structure · 2.1: Early Earth · 2.2: Structure of the Earth

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Physical Geography: our Beautiful World
Arnaud Temme, Kansas State University · LibreTexts
In the contents: 2.03: Radiation and Energy Balance of the Earth System · 2.06: Future Geographies - Radiative Forcing and the Earth's Heat Balance · 09: Earth Materials and Structure

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Organic Chemistry
Vollhardt and Schore · LibreTexts Textmap
In the contents: 13.10: Ethyne as an Industrial Starting Material

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PHIL 300: Introduction to Philosophy
Bauer · Folsom Lake College
In the contents: 2.1.01: Descartes · 2.04: Descartes Meditations - Doubt · 3.01: Descartes Meditations - Cartesian Dualism

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HUM 300: Classical Humanities Textbook (Collom)
LibreTexts
In the contents: 1.05: What is Art For · 2.07: Stone Age Art · 3.05: Mesopotamia Art History

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Radically Modern Introductory Physics Text II
David J. Raymond · New Mexico Tech
In the contents: 14.07: Virtual Particles · 14.08: Negative Energies and Antiparticles · 15.03: Charged Particle Motion

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English 101: College Composition
Adam MacDougall · Oxnard College
In the contents: 1.06: Reading Scholarly Articles · 5.02: The Art of Rhetoric · 9.01: Syntax (Part 1)

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Business Data Reporting (Word and Excel)
Kevin Arguello · East Los Angeles College
In the contents: 7.01: PivotTables Charts · 8.01: Choosing a Chart Type · 8.02: Formatting Charts

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Grammar Essentials
Excelsior Online Writing Lab · LibreTexts
In the contents: 6.1.02: Parts of Speech · 6.1.2.07: Articles

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Supplementary Material for Math Models
LibreTexts
In the contents: 3.03: Getting Started with R

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Principios y prácticas de enseñanza de niños pequeños (Stephens et al.)
Cindy Stephens, Gina Peterson, Sharon Eyrich, and Jennifer Paris · College of the Canyons
Si estás leyendo esto, probablemente te interese aprender más sobre cómo convertirte en un profesional de la primera infancia. Quizás solo tengas curiosidad y quieras saber un poco más sobre los niños pequeños. Tal vez quieras decidirse después de enterarte un poco más de lo que implica. En cualquier caso, tu interés y curiosidad son dos características clave que harán de esta una experiencia de crecimiento positiva para ti.

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Chem 124A: Fundamentals of Inorganic Chemistry
University of California, Davis
In the contents: 2.1.02: Discovery of Subatomic Particles and the Bohr Atom · 2.02: The Schrodinger equation particle in a box and atomic wavefunctions · 2.2.01: Particle in a Box

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Economics of Agriculture (AGBUS 40)
Ivan Huerta · Coalinga College
In the contents: 4.04: Partial vs. General Equilibrium Models · 9.05: Two-Part Pricing