Digital library
Textbooks, references and open learning resources.

External
A History of the United States (1870-Present)
Anonymous · LibreTexts
In the contents: 2.02: National Politics and the Populist Party

External
MATH 2E: Multivariable Calculus
LibreTexts
In the contents: 14.2aE: Double Integrals Part 1 (Exercises) · 14.2bE: Double Integrals Part 2 (Exercises) · 15.2: Line Integrals - Part 2

External
CHEM 212/213: Inorganic Chemistry
Chip Nataro · Lafayette College
In the contents: 6.7.02: Iron-sulfur Proteins and Models (Part 2) · 6.7.03: Iron-sulfur Proteins and Models (Part 3) · 6.7.04: Iron-sulfur Proteins and Models (Part 4)

External
Physical Geology (Sierra College Edition)
Allison Jones · Sierra College
In the contents: 1.02: Why Study Earth · 1.04: We Study Earth Using the Scientific Method · 02: The Origin of Earth and the Solar System

External
Physical Chemistry
William Ross Stockwell · Howard University
In the contents: 02: Waves and Particles

External
ChemPRIME
John Moore et al. · University of Wisconsin-Madison
In the contents: 8.1.02: Geology- Earth's Oldest Fossils · 9.12: Dalton's Law of Partial Pressures · 12.03: Group II- Alkaline Earths

External
Online Dictionary of Crystallography
Commission on Crystallographic Nomenclature · International Union of Crystallography
In the contents: 1.17: Cartesian product · 1.78: Partial symmetry · 1.107: Tetartohedry

External
Thermal Imaging - Level 1
Jay Seidel · Fullerton College
In the contents: 17.12: Pre-Flight Briefing Participation (Level I Role)

External
Math 245: College Algebra
Edward Pineda-Castro · Los Angeles City College
In the contents: 7.05: Partial Fractions

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Animation for the Web: A Guide to Advanced CSS and Animation Techniques
Rosemary Barke · HACC, Central Pennsylvania’s Community College
In the contents: 1.03: Working with Cartesian Coordinates

External
Textbook of Cardiology
de Jong and van der Waals Eds. · Cardionetworks Foundation and the Health[e]Foundation
In the contents: 1.01: Anatomy of a Heart · 1.02: Position of the Heart · 1.05: Aorta Pulmonary Arteries and Coronary Arteries

External
Nursing: Mental Health and Community Concepts
Ernstmeyer & Christman (Eds.) · OpenRN
In the contents: 15.05: Intimate Partner Violence

External
Statistics for Public Health (HLTH 10)
Silvie Grote · Irvine Valley College
In the contents: 12: Hypothesis Testing and Inference - Part 1 · 13: Hypothesis Testing and Inference - Part 2 · 16.06: How to start with R

External
Contemporary Health Issues I (Lumen)
LibreTexts
In the contents: 3.02: Shape and Size of the Heart · 3.03: Heart Chambers and Circulation through the Heart · 3.04: External picture of the Heart

External
Child Development 003: Child Creative Experiences I
Ancelma Sanchez · East Los Angeles College
In the contents: 3.02: Partnering with Families in Curriculum Planning · 09: Creative Arts · 9.05: Supporting the Visual Arts

External
Fundamentals of Climate Change
Dargan M. W. Frierson · University of Washington
In the contents: 1.05: Heat Traps- Earth's Increasing Greenhouse Effect

External
ACCT 151: Principles of Financial Accounting II
HACC, Central Pennsylvania's Community College
In the contents: 4.04: Recording Depreciation Expense for a Partial Year

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Algebra and Trigonometry
Jay Abramson · OpenStax
In the contents: 11.04: Partial Fractions · 11.4E: Partial Fractions (Exercises)

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Thematic Reading Anthology (Error-Incomplete-Lumen)
Lumen Learning · Lumen Learning
In the contents: 10.2: On Victory Drive Soldiers Defeated by Debt by Paul Kiel and Mitchell Hartman · 11.1: Death Is Part of the Job in Long-Term Care Homes by Jill Marcella and Mary Lou Kelley

External
English 102: How Arguments Work
Alfred Siha · HACC, Central Pennsylvania's Community College
In the contents: 6.03: Getting Familiar with Academic Journal Articles · 6.04: Searching for Journal Articles