Nineteenth Century Schoolbooks Online

The School Exam (1862) by Albert Anker

Collating free period primary sources.  This time, it's school and text-books.  Fair warning: there's a ton more out there.  I'm primarily focusing on American (then English) works.

Reading
Swinton's Primer and First Reader (1883)
The First Reader (Minnesota Series, 1889)
The Normal Course in Reading: First Reader (1892), Second Reader, (Alternate) Third, Fourth
The First Reader of the School and Family Series (1861), Second Reader, Third, Fourth, Fifth
Second Lessons in Reading and Grammar (1831) and Third Lessons

Spelling
Cobb's Spelling Book (1842)
The Spelling Book Superceded (1860, 66th ed.)
Spelling and Language Book (1887)
The Student's Spelling-book (1853, 11th ed.)
First Lessons in Composition (1868)

Penmanship
Theory of Spencerian Penmanship (1874)
The Science of Practical Penmanship (1850)
A Text-book on Penmanship (1862)

Mathematics
First Lessons in Arithmetic (1848)
Another First Lessons in Arithmetic (1853)
Arithmetic: Being a Sequel to First Lessons in Arithmetic (1824--note, this is not the same author or sequence as the two above)
Second Lessons in Arithmetic (1888)
The Standard Arithmetical Copy Book (parts 7 and 8 of 9) (1803?)
Euclid Arranged for Examinations or The Geometry Copy Book (1860)
A Text-book of Deductive Logic (1886)
Marks' First Lessons in Geometry: Objectively Presented (1869)

Languages
The First Book in French (1855)
First Lessons in French (1898)
First Lessons in German (1898)
Ollendorff's New Method of Learning to Read, Write, and Speak The German Language (1859)
First Lessons in Latin (1874)
A Series of First Lessons in Greek (1876)

History
First Lessons in Ancient History for Young People (1869)
Aunt Charlotte's Stories of English History (1873)
Aunt Charlotte's Stories of Bible History (1875)
Aunt Charlotte's Stories of Greek History (1876)
Aunt Charlotte's Stories of German History (1878)
Aunt Charlotte's Stories of Roman History (1881)
Aunt Charlotte's Stories of American History (1883)
Outlines of Medieval and Modern History: A Textbook for High Schools (1894)
The Student's Textbook of English and General History (1858)
Textbook of English History from the Earliest Times for Colleges and Schools (1898)
A Textbook of Indian History (1894, not this is India, not Amer-Indian history)

Sciences
First Lessons in Human Physiology (1846)
Maxwell's General Geography (1869)
First Lessons in Geography (1878)
First Lessons in Geology (1881)
First Lessons in Zoology (1892)

Pedagogy and General School Information
School-Houses (1873) page 16, "Fig. 4. A Dilapidated School-House" says it all, really.
The Village School Improved (1815)
The Teacher's Hand-book (1874)