Note 4-* — The Philosophic Grammar of American Languages.
Reading edition
Ueber die Verschiedenheit des menschlichen Sprachbaues und ihren Einfluss auf die geistige Entwickelung des Menschengeschlechts. Prof. Adler translates this “The Structural Differences of Human Speech and their Influence on the Intellectual Development of the Human Race.” The word geistige, however, includes emotional as well as intellectual things.