Written in the first century b.C., On the Nature of Things (in Latin, "De Rerum Natura") is a poem in six books that aims at explaining the Epicurean philosophy to the Roman audience. Among digressions about the importance of philosophy in men's life and praises of Epicurus, Lucretius created a solid treatise on the atomic theory, the falseness of religion and many kinds of natural phenomena. With no harm to his philosophical scope, the author composed a didactic poem of epic flavor, of which the imagery and style are highly praised.

This pamphlet was published in the early 20th century by the United States Rubber Company so that “coming generations of our country … have some understanding of the importance of rubber in our every day life… We believe the rubber industry will be better off if the future citizens of our country know more about it.” Learn about Christopher Columbus’s discovery of rubber, how the crafty British entrepreneur, Wickham, managed to smuggle rubber seedlings out of Brazil, and how rubber manufacturing came to be a “peculiarly American industry...

California, the land of sunshine and roses, with its genial climate, its skies as blue as the far-famed skies of Venice, and its pure, life-giving air, invites the lover of nature to take long tramps over hill and dale, mountain and valley, and to search out new trails in the rugged mountains. (Quote from section 2: Brook and Waterfall).

Vance Rudolph's informative work about butterflies includes a summary of current butterfly literature, butterfly body structure, life cycle, and egg laying process, as well as their classification and survival strategies. - Summary by Tatiana Chichilla

This biography is actually a series of essays by prominent personalities of the time that shed light on John Stuart Mill's life and areas of endeavor. Those areas include his experiences in India House, his moral character, certain botanical explorations, how effective he was as a critic, studies in morals and the law, and discoveries concerning political economy. They also explore ideas concerning his influence on institutions of higher learning, accomplishments as a politician, and fame as a philosopher.

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, stories and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, stories and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and All Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." This issue is the first published under the title "Nature and Art." “Birds and All Nature” was established January 1897 as “Birds”...

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, stories and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and All Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

] "Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." In June 1900, “Birds and All Nature” was changed from “Birds and All Nature” to "Nature and Art" for a single issue . The title was changed again for the following issue in September 1900 to “Birds and Nature,” and this was kept through the remaining years of publication. - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems and brief descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer

"Birds and Nature" was a monthly publication of the Nature Study Publishing Company of Chicago. It includes short poems, anecdotes and factual descriptions of birds, animals and other natural subjects with accompanying color plates. The magazine was published from 1897-1907 under the various titles, "Birds," "Birds and all Nature," "Nature and Art" and "Birds and Nature." - Summary by J. M. Smallheer