My grandmother’s aunt, Ms. Ida Hoyt, owned an 1873 geography textbook entitled An Elementary Treatise on Physical Geography by D. M. Warren (published by Cowperthwait & Co of Philadelphia). For Part 1, click here;for Part 2, click here; for Part 3, click here. The racial and ethnocentric hubris of the author, reflecting his time, is quite evident in the text, as can be seen above and below.