| Title | Author(s) |
| Faraday as a Discoverer | John Tyndall |
| Great Astronomers | R. S. Ball |
| On the Origin of Species | Charles Darwin |
| Relativity: The Special and General Theory | Albert Einstein |
| The Descent of Man and Selection in Relation to Sex | Charles Darwin |
| The Life and Letters of Darwin, Vol. 1 | Sir Francis Darwin |
| The Life and Letters of Darwin, Volume 2 | Sir Francis Darwin |
| The Variation of Animals and Plants | Charles Darwin |
| The Voyage of the Beagle | Charles Darwin |
| Amusements in Mathematics | Henry Ernest Dudeney |
| Recollections of a Long Life | Theodore Ledyard Cuyler |
| Einstein | Einstein |
| Handbook of Formulae and Constant | Afirk |
| 10 DNA Myths Busted | Blaine T. Bettinger, Ph.D. |
| Vedic Mathematics - Ancient Fast Mental Math (Discoveries, History, and Sutras) | William Q. |
| Decline of Science in England | Charles Babbage |
| The Science of Getting Rich | Wallace D. Wattles |
| Basics of Concrete Science | Professor L. Dvorkin, Professor O. Dvorkin |
| Are Humans Omnivores? | John Coleman |
| General Principles of Reality - A Unification of Physics | Robert L. Demelo |
| Take Back The Earth - The Dumb, Greedy Incompetents Have Trashed it | Robert S. Swiatek |
| Treasured Minerals | Russ Behnke |
| The Ether Dispute: Revisiting Einstein's Theory That Space Is a Physical Substance | Richard J. Wilson, J.D. |
| Hypotheses on Ulysses | Antonio Mercurio |
| A Conspiracy to Selectively Withhold Science Information | Peet (P.S.J.) Schutte |
| A Science Conspiracy Network | Peet (P.S.J.) Schutte |
| Tennis Kinematics Transient Analysis: A Ball Spin & Racket Collision Description | Miltiadis A. Boboulos |
| The Millennium Time Project: Alternative Time Measuring Mechanisms | Miltiadis A. Boboulos |
| Industrial Project Management - A Handbook of Planning Scheduling Evaluation Techniques | Miltiadis A. Boboulos |
| A Cultural Paradox Fun in Mathematics | Jeffrey A. Zilahy |
| Updated: Humans and Their Universes | Rodney Bartlett |
| Dark Earth | Jay Alfred |
| Formulas Para Numeros Primos | Eric Campos Bastos Guedes |
| A Primer on Ferrous Foundry Practice & Metallurgy | Rajendra Prasad.G.M. |
| Essentials of Knowledge Management | Bryan Bergerson |
| Thesis report on Genetic study of Bhumij Tribe of Jharkhand using mt DNA and Y chromosome DNA marker | Smita Bernadet Kujur |
| Monadology and Sociology | Gabriel Tarde |
| Cognitive Psychology and Cognitive Neuroscience | Wicki |
| The Einstein Theory of Relativity | Hendrik Antoon Lorentz |
| The Romance of Modern Invention | Archibald Williams |
| An Introduction to Computational Physics | Tao Pang |
| Microphagia | Conrad |
| An Annotated Bibliography of Timothy Leary | Michael Horowitz Karen Walls and Billy Smith |
| Twins | Horatio Newman et al |
| Dynamic Thought | William Walker Atkinson |
| A New Cosmic Concept Involving Nature | Peet (P.S.J.) Schutte |
| Monolithic 3D - In General | Iulia Tomut |
| Humans and Evolution: On the Next Species | Andre Smaniotto |
| The Observer of Genesis, The Science Behind the Creation Story | Alberto Canen |
| The Chemistry of Health | NIGMS |
| Inside the Cell | NIGMS |
| Medicines By Design | NIGMS |
| The Structures of Life | NIGMS |
| 30 Golden tips to overcome panic and anxities | ahmed saad |
| The Ethics of Medical Homicide and Mutilation | Austin O'Malley, MD |
| Selected Papers on Low-Energy Quantum Gravity | Michael A. Ivanov |
| Web Engineering | Gerti Kappel, Birgit Pro¨ ll, Siegfried Reich, Wer |
| Alchemy: Ancient and Modern | Stanley Redgrove |
| Electronics Project Book | Varun Bansal |
| Calculus | Boundless |
| Anand's Atlas of Histology | Major. Dr. A. Anand |
| Algebra | Boundless |
| People Without A Plan | Bryn Devaney |
| Organic Chemistry with a Biological Emphasis Volume 1 | Timothy Soderberg and University of Minnesota |
| The Chemical History of a Candle | Michael Faraday |
| National Foundation Phase Maths Olympiad - Grade 1 | Kwa-Zulu Natal |
| Samples of Aptitude Questions | skillgun |
| Analysis of Functions of a Single Variable | Lawrence Baggett |
| AP Environmental Science | University of California College Prep. |
| Applied Probability | Paul E Pfeiffer |
| Automatic Generation of Prime Length FFT Programs | C. Sidney Burrus |
| Basic Mathematics | Prof. Jairus. Khalagai |
| Basics of Algebra, Topology, and Differential Calculus | Jean Gallier |
| Calculus | Ralph W.P. Masenge |
| Collaborative Statistics | Barbara Illowsky, Ph.D. and Susan Dean |
| Elementary Algebra | Wade Ellis and Denny Burzynski |
| Elementary Linear Algebra | Dr. Kenneth Kuttler |
| Precalculus: An Investigation of Functions | David Lippman and Melonie Rasmussen |
| Probability And Statistics | Paul CHEGE |
| Trigonometry | Michael Corral |
| Vector Calculus | Michael Corral |
| The Age of Einstein | Frank W. K. Firk |
| Geometrical Optics and Physical Optics | Herimanda A. Ramilison |
| Physics for K-12 | Sunil Kumar Singh |
| This Dynamic Earth: The Story of Plate Tectonics | W. Jacquelyne Kious and Robert I. Tilling |
| College Physics (2012) | Manjula Sharma, Paul Peter Urone, et al |
| Numerical Methods in Quantum Mechanics | Paolo Giannozzi |
| Adaptive Control | Kwanho You |
| Carbon Nanotubes | Jose Mauricio Marulanda |
| Linear Matrix Inequalities in System and Control Theory | Venkataramanan Balakrishnan, Stephen Boyd, et al |
| Introduction to Groups, Invariants & Particles | Frank W. K. Firk |
| Biomimetics, Learning from Nature | Amitava Mukherjee |
| Essential Physics Part 1 | Frank W. K. Firk |
| Heat Conduction: Basic Research | Vyacheslav S. Vikrenko |
| Introduction to String Field Theory | Warren Siegel |
| Discrete Time Systems | Mario A. Jordan and Jorge L. Bustamante |
| Superspace | Warren Siegel; S. James Gates; Martin Rocek; Marcu |
| Applied Computational Fluid Dynamics | Hyoung Woo Oh |
| Concept Development Studies in Chemistry | John S. Hutchinson |
| Understanding Galaxy Formation and Evolution | Vladimir Avila-Reese |
| Biomedical Imaging | Youxin Mao |
| Calculus-Based Physics | Jeffrey W. Schnick |
| Digital Filters | Fausto Pedro Garcia Marquez |
| Matrix Analysis | Steven J. Cox |
| Advanced Algebra II: Conceptual Explanations | Kenny M. Felder |
| A Mathematical Theory of Communication | C. E. Shannon |
| Microsensors | Igor V. Minin and Oleg V. Minin |
| Yet Another Calculus Text | Dan Sloughter |
| Collaborative Statistics | Robert Gallagher |
| Calculating Advanced Statistics: Part II | John R. Slate, Ana Rojas-LeBouef |
| Calculating Advanced Statistics: Part I | Ana Rojas-LeBouef, John R. Slate |
| Calculating Basic Statistical Procedures in SPSS | John R. Slate, Ana Rojas-LeBouef |
| Collaborative Statistics (MT230-Spring 2012) | Barbara Illowsky, Ph.D., Susan Dean |
| Stem Cell Research: A Science and Policy Overview | Kirstin Matthews |
| Waves and Optics | Paul Padley |
| Wavelets and Wavelet Transforms | C. Sidney Burrus |
| Derived copy of Fundamentals of Mathematics | Denny Burzynski, Wade Ellis |
| FHSST: Grade 10 Math | Ewald Zietsman |
| Digital Signal Processing and Digital Filter Design | C. Sidney Burrus |
| The New Genetics | National Institutes of Health |
| NIOSH Pocket Guide to Chemical Hazards | Department of Health and Human Services |
| Derived copy of Brief Notes on Signals and Systems | C. Sidney Burrus, Juan Díaz |
| Global Climate Change | Ronald Sass |
| Hydrogen | Andrew R. Barron |
| Genetics | Professor Le Dinh Luong |
| The Universe in an Hourglass: A Time for Everything | Bryan Scott Butler |
| Applied Finite Mathematics | Rupinder Sekhon, UniqU, LLC |
| Office of Scientific Intelligence: The Original Wizards of Langley | Central Intelligence Agency |
| Astronomy for Young Folks | Isabel Martin Lewis |
| Chemicals, the Environment, and You: Explorations in Science and Human Health | National Institutes of Health |
| Electronics Module | Sam Kinyera OBWOYA |
| Mathematics Grade 2 | Siyavula Uploaders |
| Cell Biology and Cancer | National Institutes of Health. |
| Gen Chem Lab | Mary McHale |
| Mathematics Grade 5 | Siyavula Uploader |
| Cosmology: The Study of the Universe | Wilkinson Microwave & Anisotropy Probe |
| Explosive Blast From The Past | Alexander Popoff |
| From Earth We Came-The Atreyu Saga-Whetu Tawhiti (Distant Star) | shane@retrobro2014.com |
| Physics for Everyone | Vedang Sati |
| Linear Programming Problems | Srinivas R Rao |
| Environmental Science Part 1 [Water, Air, Noise, Soil, Thermal Pollution] | Jyotsna Lal Ph.D |
| Inter-Galactic Ancient Hindu | Krishna Kripa |
| On the Intelstellar Travel | Sergio Michelson |
| Drones and the U.S. Government | Michael Erbschloe |
| 3D Printing Changes U.S. Government Operations and Procurement | Michael Erbschloe |
| The Rise of the Robots In the U.S. | Michael Erbschloe |
| Unidentified Flying Objects UFOs Documents of the U.S. Government | Michael Erbschloe |
| Mathematics: Ages 5 to 6 | Glen K. Dash |
| Handbook of Vermicomposting | E.SREENIVASAN |
| Quadratics | ib elite tutor |
| Maximizing Chloroplastic Function In Intensively Manicured Athletic Fields | Jeff Haag |
| Understanding And Managing Oxidative Stress In Turf Grass | Jeff Haag |
| Achieving Systemic Acquired Resistance In Sports Turf | Jeff Haag |
| Preventing Stress In Intensively Manicured Athletic Fields | Jeff Haag |
| Biotechnology for Sustainability | Subhash Bhore, K. Marimuthu and M. Ravichandran [E |
| Self-Similar Cosmos: A Singular Narrative | Travis Allen Brainerd |
| Life | Laurentiu Mihaescu |
| Calculus Practice Exam | Joseph Nguyen |
| In Time: Time Travel Possibilities | Dragomir Alina |
| Natural Reality | Mansel Keith Presnell, (John A Seed) |
| The Earth's orbit (Space exploration. Book 1) | Oleksiy Serdyuk, Natalia Shkurat |
| Evolution and the Bible | Elum Mizell Russell, M.D. |
| The Easiest Way to Understand Algebra | Roy Richard Sawyer |
| From Round Cities to Space Rings | Antonio Pinto Renedo |
| How to Create Vibrant Smart Villages in the World | Sai Bhaskar Reddy Nakka |
| Black Holes And Beyond | Werner Brückner |
| Blinking Universe: 30 Technical Papers on Theory & Applications | Richard Lighthouse |
| The singularities as ontological limits of the general relativity | Nicolae Sfetcu |
| The Human Drift | Jack London |
| Lectures on Dramatic Art and Literature | August Wilhelm Schlegel |
| Curiosities of the Sky | Garrett Serviss |
| The English Novel | George Saintsbury |
| Concerning Animals and Other Matters | Edward Hamilton Aitken |
| Secret Societies | Edward Beecher and Jonathan Blanchard and David Ma |
| The Different Forms of Flowers on Plants of the Same Species | Charles Robert Darwin |
| Books and Culture | Hamilton Wright Mabie |
| Mrs. Piper & the Society for Psychical Research | Michael Sage |
| Serious Hours of a Young Lady | Charles Sainte-Foi |
| The Seminole Indians of Florida | Clay MacCauley |
| The Story of the Heavens | Sir Robert Stawell Ball |
| Made for Resilience and Happiness: Effective Coping with Covid-19 According to Viktor E. Frankl and Paul T. P. Wong | Dr. Paul T. P. Wong |
| A Closer Look at Membrane Proteins | Dragana Robajac, Miloš Šunderić, Nikola Gligorijev |