ER.Directory

Share Freely

Math & Statistics

College Algebra Probability and Statistics Algebra and Trigonometry 2e Precalculus 2e Prealgebra 2e Elementary Algebra 2e Intermediate Algebra 2e Contemporary Mathematics College Algebra with Corequisite Support Introductory Business Statistics 2e Statistics for Social Science A Friendly Introduction to Mathematical Logic A Spiral Workbook for Discrete Mathematics 2nd Edition Differential Calculus: from Practice to Theory How We Got from There to Here: a Story of Real Analysis Real Analysis

Natural Science

Biology 2e Chemistry 2e College Physics 2e Anatomy and Physiology 2e Microbiology University Physics Biology Fundamentals Biology of Aging Biology for Non-Majors Physical Geology Microbiology: a Laboratory Experience Molecular Techniques: a Project-Based Undergraduate Laboratory Inanimate Life Natural Resources Biometrics Dangerous Science: Science Policy and Risk Analysis for Scientists and Engineers

Business

Introduction to Business Marketing Principles of Management Business Ethics Entrepreneurship Organizational Behavior Principles of Finance Principles of Marketing Business Communications Human Resource Management Personal Finance Operations Management Good Corporation, Bad Corporation: Corporate Social Responsibility in the Global Economy Nonprofit Board Effectiveness Drink, Swear, Steal, and Lie: Leadership in Four Easy Steps

Accounting

Principles of Financial Accounting Principles of Managerial Accounting

Economics

Macroeconomics Microeconomics

Psychology

Introduction to Psychology Abnormal Psychology Developmental Psychology Psychology of Work Social Psychology

Sociology & Social Science

Introduction to Sociology American Government Introduction to Political Science Introduction to Anthropology Lifespan Development Marriage and Family Social Problems Research Methods for Social Science Gendered Lives: Global Issues Introduction to Lgbtq+ Studies: a Cross Social Justice & Advocacy in Human Services

History

World History, Volume 1: to 1500 Life, Liberty, and the Pursuit of Happiness The History of Our Tribe: Hominini Western Civilization

Humanities & Arts

Introduction to Philosophy Music Appreciation Art Appreciation Art History Music Theory (LibreTexts) Music Appreciation I (LibreTexts) Music Appreciation II (LibreTexts) Music Fundamentals (LibreTexts) Understanding Music (LibreTexts) Sound Reasoning (LibreTexts) Music in World Cultures (LibreTexts) Open Music Theory (LibreTexts) World Religions Literature, the Humanities, and Humanity An OER Ethics Reader Ethics in Life and Vocation Exploring Movie Construction & Production: What?s so exciting about movies? Music and the Child Naming the Unnameable: an Approach to Poetry for New Generations The Future is Now: Empowering Society Through AI Literacy

Writing & Communication

English Composition I English Composition Ii Boundless Writing Processes: Writing Across Academic Careers Technical Report Writing Guidelines Writing in College: from Competence to Excellence Stand Up, Speak Out: the Practice and Ethics of Public Speaking (3rd?Edition) Interpersonal Communication: a Mindful Approach to Relationships 2nd Edition Interpersonal Communication: a Mindful Approach to Relationships Avoiding Common Pitfalls in Medical Writing: an Editor?s Advice

Health & Wellness

Wellness Applications of Control Charts for Quality Improvement in Health Care Basic Tools for Quality Improvement in Health Care Informatics

Nursing

Clinical Nursing Skills Fundamentals of Nursing Maternal-Newborn Nursing Medical-Surgical Nursing Nutrition Pharmacology for Nurses Population Health for Nurses Psychiatric-Mental Health Nursing Nursing Skills 2e (Open RN) Nursing Fundamentals 2e (Open RN) Nursing Pharmacology 2e (Open RN) Nursing Management and Professional Concepts 2e (Open RN) Nursing Advanced Skills (Open RN) Nursing Care at the End of Life: What Every Clinician Should Know Transitions to Professional Nursing Practice Be Prepared for Your Nurse Practitioner Clinical Readiness Exam Public Health in Pharmacy Practice: a Casebook Public Health in Pharmacy Practice: a Casebook Foundations for Assisting in Home Care

Computer Science

Introduction to Computer Science Introduction to Python Programming Workplace Software and Skills Guide to HTML, CSS and JavaScript Guide to Object-oriented Programming with Java Guide to PHP and MySQL The Missing Link: an Introduction to Web Development and Programming Embedded Controllers using C and Arduino + Lab Manual Introduction to the Modeling and Analysis of Complex Systems

Law

Fundamentals of Business Law Introduction to Intellectual Property An Introduction to Labor and Employment Law Law 101: Fundamentals of the Law

Education & Student Success

College Success First Year Seminar Career Education Foundations of Academic Success: Words of Wisdom Collaborative Syllabus: Empowering Students as Co Steps to Success: Crossing the Bridge Between Literacy Research and Practice The Information Literacy User?s Guide: an Open, Online Textbook Teaching Autoethnography: Personal Writing in the Classroom The ELC: an Early Childhood Learning Community at Work Instruction in Functional Assessment

Foreign Language

Yo puedo: para empezar Yo puedo: segundos pasos

Engineering & Technology

AC Electrical Circuit Analysis: a Practical Approach + Lab Manual DC Electrical Circuit Analysis: a Practical Approach + Lab Manual Semiconductor Devices: Theory & Application + Lab Manual Operational Amplifiers & Linear Integrated Circuits + Lab Manual Introduction to Vacuum Technology Physics Problems for Nerds: Analyzing ?nerd? culture through physics 101

Logic & Philosophy

A Concise Introduction to Logic ForallX: an Introduction to Formal Logic Fundamentals, Function, and Form: Theory and Analysis of Tonal Western Art Music Fundamentals, Function, and Form Student Workbook

By Source

Milne (58)

A Concise Introduction to Logic A Friendly Introduction to Mathematical Logic A Spiral Workbook for Discrete Mathematics 2nd Edition AC Electrical Circuit Analysis: a Practical Approach + Lab Manual An Introduction to Labor and Employment Law An OER Ethics Reader Applications of Control Charts for Quality Improvement in Health Care Avoiding Common Pitfalls in Medical Writing: an Editor?s Advice Basic Tools for Quality Improvement in Health Care Informatics Be Prepared for Your Nurse Practitioner Clinical Readiness Exam DC Electrical Circuit Analysis: a Practical Approach + Lab Manual Dangerous Science: Science Policy and Risk Analysis for Scientists and Engineers Differential Calculus: from Practice to Theory Drink, Swear, Steal, and Lie: Leadership in Four Easy Steps Embedded Controllers using C and Arduino + Lab Manual Ethics in Life and Vocation Exploring Movie Construction & Production: What?s so exciting about movies? Fundamentals, Function, and Form Student Workbook Fundamentals, Function, and Form: Theory and Analysis of Tonal Western Art Music Good Corporation, Bad Corporation: Corporate Social Responsibility in the Global Economy Guide to HTML, CSS and JavaScript Guide to Object-oriented Programming with Java Guide to PHP and MySQL How We Got from There to Here: a Story of Real Analysis Inanimate Life Instruction in Functional Assessment Interpersonal Communication: a Mindful Approach to Relationships Interpersonal Communication: a Mindful Approach to Relationships 2nd Edition Introduction to Vacuum Technology Introduction to the Modeling and Analysis of Complex Systems Law 101: Fundamentals of the Law Microbiology: a Laboratory Experience Molecular Techniques: a Project-Based Undergraduate Laboratory Music and the Child Naming the Unnameable: an Approach to Poetry for New Generations Natural Resources Biometrics Nursing Care at the End of Life: What Every Clinician Should Know Operational Amplifiers & Linear Integrated Circuits + Lab Manual Physics Problems for Nerds: Analyzing ?nerd? culture through physics 101 Processes: Writing Across Academic Careers Public Health in Pharmacy Practice: a Casebook Real Analysis Semiconductor Devices: Theory & Application + Lab Manual Social Justice & Advocacy in Human Services Stand Up, Speak Out: the Practice and Ethics of Public Speaking (3rd?Edition) Steps to Success: Crossing the Bridge Between Literacy Research and Practice Teaching Autoethnography: Personal Writing in the Classroom Technical Report Writing Guidelines The ELC: an Early Childhood Learning Community at Work The Future is Now: Empowering Society Through AI Literacy The History of Our Tribe: Hominini The Information Literacy User?s Guide: an Open, Online Textbook The Missing Link: an Introduction to Web Development and Programming Transitions to Professional Nursing Practice Writing in College: from Competence to Excellence Yo puedo: para empezar Yo puedo: segundos pasos ForallX: an Introduction to Formal Logic

OpenStax (44)

Algebra and Trigonometry 2e American Government Anatomy and Physiology Biology Business Ethics Chemistry Clinical Nursing Skills College Algebra with Corequisite Support College Physics College Success Contemporary Mathematics Elementary Algebra 2e English Composition II Entrepreneurship Fundamentals of Nursing Intermediate Algebra 2e Introduction to Anthropology Introduction to Computer Science Introduction to Intellectual Property Introduction to Philosophy Introduction to Political Science Introduction to Psychology Introduction to Python Programming Introduction to Sociology Introductory Business Statistics 2e Life, Liberty, and the Pursuit of Happiness Lifespan Development Maternal-Newborn Nursing Medical-Surgical Nursing Microbiology Nutrition Organizational Behavior Pharmacology for Nurses Population Health for Nurses Prealgebra 2e Precalculus 2e Principles of Finance Principles of Financial Accounting Principles of Managerial Accounting Principles of Marketing Psychiatric-Mental Health Nursing University Physics Workplace Software and Skills World History

Lumen-Atd (18)

Abnormal Psychology Art Appreciation Art History Biology Fundamentals Biology for Non-Majors Biology of Aging Career Education Developmental Psychology First Year Seminar Marriage and Family Psychology of Work Research Methods for Social Science Social Problems Social Psychology Statistics for Social Science Wellness Western Civilization World Religions

Pressbooks (16)

Business Law Emphasizing a Student-Centered Process: Open Pedagogy Course Assessments Across Disciplines Foundations for Assisting in Home Care Foundations of Academic Success: Words of Wisdom Gendered Lives: Global Issues Guidelines for Improving the Effectiveness of Boards of Directors of Nonprofit Organizations Introduction to LGBTQ+ Studies: a Cross-Disciplinary Approach Literature, the Humanities, and Humanity Music Appreciation Nursing Advanced Skills (Open RN) Nursing Fundamentals 2e (Open RN) Nursing Management and Professional Concepts 2e (Open RN) Nursing Pharmacology 2e (Open RN) Nursing Skills 2e (Open RN) Physical Geology Public Health in Pharmacy Practice: a Casebook 2nd Edition

Lumen (10)

Business Communications College Algebra English Composition I Human Resource Management Introduction to Business Macroeconomics Marketing Microeconomics Principles of Management Probability and Statistics

Libretexts (8)

Music Appreciation I (LibreTexts) Music Appreciation II (LibreTexts) Music Fundamentals (LibreTexts) Music Theory (LibreTexts) Music in World Cultures (LibreTexts) Open Music Theory (LibreTexts) Sound Reasoning (LibreTexts) Understanding Music (LibreTexts)

Saylor (2)

Operations Management Personal Finance

Lumen-Boundless (1)

Boundless Writing

Biology of Aging

Mixed licences (varies by page)

Available Sources

Lumen Atd — Biology of Aging

Mixed licences (varies by page)

Read Free Textbook →

Built on openly licensed educational resources; each page names its licence.

© 2026 OER.Directory