Science
Food ValuesDr. Albert Philip Sy

Food Values
Dr. Albert Philip Sy
1 h 10 min
Memory: How to Develop, Train and Use ItWilliam Walker Atkinson

Memory: How to Develop, Train and Use It
William Walker Atkinson
4 h 37 min
Handbook of Nature-Study, Part 1Anna Botsford Comstock

Handbook of Nature-Study, Part 1
Anna Botsford Comstock
7 h 28 min
Treatise on LightChristiaan Huygens

Treatise on Light
Christiaan Huygens
4 h 43 min
Worldwide Effects of Nuclear War: Some PerspectivesUnited States Arms Control and Disarmam…

Worldwide Effects of Nuclear War: Some Perspectives
United States Arms Control and Disarmament Agency
55 min
Insect StoriesVernon Kellogg

Insect Stories
Vernon Kellogg
4 h 31 min
Curiosities of the SkyGarrett P. Serviss

Curiosities of the Sky
Garrett P. Serviss
5 h 43 min
First Fifty Digits of PiScott Hemphill

First Fifty Digits of Pi
Scott Hemphill
53 min
Science and HypothesisHenri Poincaré

Science and Hypothesis
Henri Poincaré
7 h 11 min
Moths of the LimberlostGene Stratton-Porter

Moths of the Limberlost
Gene Stratton-Porter
4 h 32 min
Elements of OrnithologyWilliam Ruschenberger

Elements of Ornithology
William Ruschenberger
5 h 6 min
Apis MellificaC. W. Wolf

Apis Mellifica
C. W. Wolf
2 h 11 min
Adventures of a Grain of DustHallam Hawksworth

Adventures of a Grain of Dust
Hallam Hawksworth
5 h 9 min
Wild Life in Woods and FieldsArabella B. Buckley

Wild Life in Woods and Fields
Arabella B. Buckley
37 min
On the Elementary Electrical ChargeRobert Andrews Millikan

On the Elementary Electrical Charge
Robert Andrews Millikan
1 h 30 min
World's Lumber RoomSelina Gaye

World's Lumber Room
Selina Gaye
9 h 2 min
Catechism of Familiar Things; Their History, and the Events…Anonymous

Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery
Anonymous
7 h 18 min
National Geographic Magazine Vol. 01 No. 2Various

National Geographic Magazine Vol. 01 No. 2
Various
3 h 2 min
Children's Life of the BeeMaurice Maeterlinck

Children's Life of the Bee
Maurice Maeterlinck
2 h 42 min
Mathematical ProblemsDavid Hilbert

Mathematical Problems
David Hilbert
2 h 22 min
Burgess Bird Book for ChildrenThornton W. Burgess

Burgess Bird Book for Children
Thornton W. Burgess
7 h 28 min
Extermination of the American BisonWilliam T. Hornaday

Extermination of the American Bison
William T. Hornaday
10 h 27 min
Formation of Vegetable Moulds through the Action of Worms w…Charles Darwin

Formation of Vegetable Moulds through the Action of Worms with Observations on their Habi…
Charles Darwin
6 h 38 min
Is Mars Habitable?Alfred Russel Wallace

Is Mars Habitable?
Alfred Russel Wallace
3 h 1 min