Digital library
Textbooks, references and open learning resources.

External
Discrete Math with SageMath
Hellen Colman · City Colleges of Chicago
In the contents: 01: Getting Started · 5.05: Partial Order

External
Math, Numerics, and Programming (for Mechanical Engineers)
Masayuki Yano, James Douglass Penn, George Konidaris, & Anthony T Patera · Massachusetts Institute of Technology
In the contents: 23: Partial Differential Equations

External
Text
LibreTexts
In the contents: 5.05: Understanding Blood Cholesterol and Heart Attack Risk · 11.09: Start Your Sustainable Future Today · 15.6: Start Your Sustainable Future Today

External
CHEM 0106: Chemistry of the Environment
LibreTexts
In the contents: 2.20: Alkaline Earth Metals · 7.06: Dalton's Law of Partial Pressures

External
BIOL 342: The New Plagues - New and Ancient Infectious Diseases Threatening World Health (Hughes)
LibreTexts
In the contents: 02: Disease and Epidemiology (Part A) · 06: Immune System Part 1 (Video) · 07: Immune System Part 2 (Video)

External
Reading With My Eyes Open: Embracing the Critical and the Personal in Language Pedagogy (Quist)
Gerdi Quist · University College London
In the contents: 6: Dutch Articulation · 11: Dutch Articulation · 5: Dutch Articulations

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Exploring Early Childhood
Heather Carter & Amber Tankersley · Pittsburg State University
In the contents: 4.06: Kansas Department of Health and Environment- Child Care Licensing · 16: Partnering with Families

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Biofundamentals 2e
Klymkowsky & Cooper · University of Colorado Boulder & Michigan State University
In the contents: 2.08: Mapping the history of life on earth · 2.09: Fossil evidence for the history of life on earth · 2.10: Life's impact on earth

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Business Law I Sourcebook (Mac Kelly) - UNDER CONSTRUCTION
Matthew L. Mac Kelly · Concordia University Wisconsin
In the contents: 3.02: The Parties Attorneys and Jury

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World History A/B
Nina Sprouse · Mizzou Academy
In the contents: 15.02: The Start of the War · 16.02: Partition of the Ottoman Empire

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Math 3A: Calculus 1
Max Sklar · Mission College
This is the first part of the three-semester calculus sequence. Topics include functions, limits, continuity, differentiation and integration, and applications for polynomial and transcendental functions.

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Computational Biology - Genomes, Networks, and Evolution
Manolis Kellis et al. · Massachusetts Institute of Technology
In the contents: 6.02: Study 1- Evolution of life on earth

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BMK 2730: Retail Business Management
Milledge Mosby Jr. · Prince George's Community College
In the contents: 11.08: Building Partner Relationships · 14.18: Marketing Communication Program (SMART)

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Strategic Management
Elijah Cooks · Prince George's Community College
In the contents: 4.02: Presentation-Participation Assignment

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Rhetoric and Composition
Amber Kinonen, Jennifer McCann, Todd McCann, and Erica Mead · Bay College
In the contents: 14.02: Strategies for Gathering Reliable Information (Part 1) · 14.03: Strategies for Gathering Reliable Information (Part 2)

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Doing Research
Celia Brinkerhoff · Kwantlen Polytechnic University
In the contents: 01: Part 1. Get Started on your Research · 02: Part 2. Recognize Types of Information · 02.3: Popular and Scholarly Articles

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Operating System: The Basics
Patrick McClanahan · San Joaquin Delta College
In the contents: 1.2 Starting with the Basics · 7.4: Memory Partitioning · 7.4.1: Fixed Partitioning

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M273: Multivariable Calculus
Montana_State_University
In the contents: 14: Functions of Multiple Variables and Partial Derivatives · Partial Derivatives · Partial Derivatives (Exercises)

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The Business Ethics Workshop
Anonymous · LibreTexts
In the contents: 7.02: Third-Party Obligations- Tattling Reporting and Whistle-Blowing

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PGCC Microbiology
Glenn F Gebler and Yuda A Anriany · Prince George's Community College
In the contents: 7.6.01: The Two Parts of Photosynthesis