Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 1, pages 1-25

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 1, pages 38-41

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 1, pages 42-46

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 1, pages 50-51

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 2, pages 53-82

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 2, pages 90-105

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 2, pages 106-108

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 2, pages 109-114

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 4, pages 316-340

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 4, pages 352-356

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 4, pages 357-366

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 4, pages 370

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 4, pages 373-389

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 3, pages 115-152

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 3, pages 153-159

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 3, pages 160-179

Published in Journal of the Arnold Arboretum, in 1936, in volume 17, pages 47-49

Published in Journal of the Arnold Arboretum, in 1936, in volume 17, pages 341-349

Published in Journal of the Arnold Arboretum, in 1936, in volume 17, pages 350-351