Book
Botanical contributions1834 – 1872
Gray, Asa, 1810-1888., Torrey, John, Engelmann, George, 1809-1884.
Book
Botanical pamphlets1834 – 1863
Masters, Maxwell T., Daubeny, Charles, 1795-1867., Hallett, Frederic F., Vaillant, Léon
1834 – 1872
Gray, Asa, 1810-1888., Torrey, John, Engelmann, George, 1809-1884.
1834 – 1863
Masters, Maxwell T., Daubeny, Charles, 1795-1867., Hallett, Frederic F., Vaillant, Léon