Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1935)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1936)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1937)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1938)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1939)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1940)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1941)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1942)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1948)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1949)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1950)

Journal of the Arnold Arboretum - Arnold Arboretum. (Arnold Arboretum, Harvard University [etc.], 1951)