A k-term quasi-progression of diameter d is a sequence {Xl,... ,xk} for which there exists a positive integer l such that l < Xi-Xi-1 < l+d, for all i = 2, ... ,k. Quasi-progressions may be thought of as arithmetic progressions with a certain...
This set of woodblock prints was reprinted in the 1980s. The images duplicate the earlier prints in this collection. Woodblock prints of, clockwise from top left: title page for "Primary Arithmetic for use in Academies and Common...
This set of woodblock prints was reprinted in the 1980s. The images duplicate the earlier prints in this collection. Woodblock prints of, clockwise from top left: title page for "The American Spelling-Book"; title page for "The...
This set of woodblock prints was reprinted in the 1980s. With the exception of the "New Fourth School Reader" and the JPM & Co. insignia, the images duplicate the earlier prints in this collection. Woodblock prints of, from top to...
Men; Women; Children; Animals; Textbooks; Wagon trains; United States--History--Civil War, 1861-1865; Medical aspects of war; Soldiers; Uniforms; Battlefields; Jack-o-lanterns; Zoo animals; Intoxication
Woodblock prints of, clockwise from top left: man behind tree watches owl perched on boat; title page for Morton & Griswold's "Western Farmer's Almanac 1870" (with scenes of wagon train, implying westward migration, and of a group of...
Woodblock prints of, clockwise from top left: title page for "Primary Arithmetic for use in Academies and Common Schools by P. A. Towne. Louisville Ky. John P. Morton & Co."; chicken; rectangular image with blank space inside and...
Woodblock prints of, from top to bottom starting at left: Two men in wide-brimmed hats guide rickshaw carried by donkeys at front and rear; children riding in horse-drawn sleigh; dog chasing man attempting to leap over fence; woman pointing out...
Woodblock prints of, from top to bottom starting at top left: title page for "American School Series. New First School Reader by Noble Butler A.M. John P. Morton & Co. Louisville, Kentucky." with image of girl playing with dogs and...
Woodblock prints of, from top to bottom starting at top left: title page for "Arithmetic adapted to the course of instruction academies & common schools by P. A. Towne John P. Morton & Co. Publishers Louisville, Ky."; skyline of a...
