Home › Authors › John G. Jack 👤 John G. Jack b. 1861 – d. 1949 · 3 books Books by John G. Jack Trees and other woody plants f Trees and other woody plants found in the Harvard Forest, Petersham, Massachusetts 1911 Bemerkungen uber neu eingefuhr Bemerkungen uber neu eingefuhrte Baume und Straucher 1909 The fructification of Juniperu The fructification of Juniperus 1893