Browse indexable science and education x402 offerings, including provider, method, and service details.
1729 indexable offerings in this category.
Free books first published in the 1710s: public-domain works dated 1710-1719 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1720s: public-domain works dated 1720-1729 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1730s: public-domain works dated 1730-1739 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1740s: public-domain works dated 1740-1749 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1750s: public-domain works dated 1750-1759 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1760s: public-domain works dated 1760-1769 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1770s: public-domain works dated 1770-1779 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1780s: public-domain works dated 1780-1789 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1790s: public-domain works dated 1790-1799 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1800s: public-domain works dated 1800-1809 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1810s: public-domain works dated 1810-1819 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1830s: public-domain works dated 1830-1839 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1840s: public-domain works dated 1840-1849 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1850s: public-domain works dated 1850-1859 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1860s: public-domain works dated 1860-1869 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1870s: public-domain works dated 1870-1879 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1880s: public-domain works dated 1880-1889 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1890s: public-domain works dated 1890-1899 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1900s: public-domain works dated 1900-1909 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1910s: public-domain works dated 1910-1919 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free books first published in the 1920s: public-domain works dated 1920-1929 in the catalogue (Internet Archive scans and dated Gutenberg editions), most downloaded first, with download links. Period reading and historical research. $0.01 per page of 20.
Free public-domain books on "Adventure and adventurers": browse the catalogue's works tagged with that Library of Congress subject (422 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.
Free public-domain books on "Adventure stories": browse the catalogue's works tagged with that Library of Congress subject (1,660 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.
Free public-domain books on "Aeronautics": the catalogue's works tagged with that Library of Congress subject (163 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct download links. Add words to narrow. Re-verified daily. $0.01 per page of 20.