Digital library
Textbooks, references and open learning resources.

External
Classical Mechanics
Jeremy Tatum · University of Victoria
In the contents: 15.09: The FitzGerald-Lorentz Contraction · 19.08: Contracted and Extended Cycloids · 20.4.01: Poiseuille's Law

External
BIOL 130: Human Biology
Susan White · Cañada College
In the contents: 7.02: Laws of Inheritance · 14.04: Muscle Contraction

External
Phys 111: Physics, Symmetry, and Conservation
Mitch Powers · Gettysburg College
In the contents: 1.4.01: The Law of Inertia · 1.6.03: The Inverse-Square Law · 2.01: N1) Newton's Laws

External
Human Biology
Suzanne Wakim & Mandeep Grewal · Butte College
In the contents: 8.2: Laws of Inheritance · 15.4: Muscle Contraction

External
PH246 Calculus Physics II (2025)
Nathan Lindy · Grand Rapids Community College
In the contents: 1.04: Coulomb's Law · 02: Gauss's Law · 2.01: Prelude to Gauss's Law

External
BIOL 108: Biology for Non-Majors Lab Manual
Michelle Bucks, Justin Bichler, and Brad Basehore · Harrisburg Area Community College
In the contents: 1.04: Lab Safety Contract · 2.04: Activity 2- Environmental Laws and Regulations

External
Introductory Biology
CK-12 Foundation · LibreTexts
In the contents: 3.04: Mendel's Laws and Genetics · 13.01: Muscle Contraction

External
Anatomy and Physiology (Boundless)
Boundless (now LumenLearning) · Boundless
In the contents: 9.1C: Sliding Filament Model of Contraction · 9.1D: ATP and Muscle Contraction · 9.3A: Force of Muscle Contraction

External
Law of Commercial Transactions
Anonymous · LibreTexts
In the contents: 01: Introduction to Law and Legal Systems · 1.02: What Is Law · 1.04: Basic Concepts and Categories of US Positive Law

External
Labor Relations and Negotiations
Andrew Paasch · Northeast Wisconsin Technical College
In the contents: 06: Labor and Management Rights under the Federal Labor Laws

External
Introductory Physics: Building Models to Describe Our World
Ryan D. Martin, Emma Neary, Joshua Rinaldo, and Olivia Woodman · Queen's University
In the contents: 05: Newtons Laws · 5.01: Newtons Three Laws · 5.05: Applying Newtons Laws

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Legal Environment of Business
Lumen Learning · LibreTexts
In the contents: 1.01: Rule of Law · 1.03: Reading Criminal Law · 1.05: International Law and a Global Economy

External
Human Biology Biol 011 Textbook
Barry Thomson · Cañada College
In the contents: 8.02: Laws of Inheritance · 13.04: Muscle Contraction

External
AandP for STEM Educators
Felicia Esteban · James Madison University
In the contents: 7.2C: Sliding Filament Model of Contraction · 7.2D: ATP and Muscle Contraction · 7.4A: Force of Muscle Contraction

External
Legal Aspects of Marketing and Sales
LibreTexts · LibreTexts
In the contents: 01: Introduction to Law and Legal Systems · 1.02: 1.1 What is Law · 1.04: 1.3 Basic Concepts and Categories of US Positive Law

External
Introductory Physics: Building Models to Describe Our World
Ryan D. Martin, Emma Neary, Joshua Rinaldo, and Olivia Woodman · Queen's University
In the contents: 05: Newtons Laws · 5.01: Newtons Three Laws · 5.05: Applying Newtons Laws

External
General Biology
Boundless · LibreTexts
In the contents: 6.06: Potential Kinetic Free and Activation Energy - The First Law of Thermodynamics · 6.07: Potential Kinetic Free and Activation Energy - The Second Law of Thermodynamics · 12.01: Mendels Experiments and the Laws of Probability

External
Human Resources Management
Lumen Learning · LibreTexts
In the contents: 4.03: The Law and Discrimination · 4.06: Interpreting the Law · 8.08: Introduction to The Law and Compensation

External
Fundamentals of Business Law
Melissa Randall · Community College of Denver
In the contents: 01: Introduction to Law and Types of Legal Systems · 1.01: Introduction to Law and Types of Legal Systems · 1.02: What Is Law and What Functions Does It Serve

External
Biology of Human Concerns
Jessica B Daniels · Minnesota State Community and Technical College
In the contents: 8.04: Muscle Contraction · 12.02: Laws of Inheritance