Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 1, pages 82-85

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 3, pages 239-250

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 3, pages 251-259

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 3, pages 260-265

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 3, pages 268-273

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 4, pages 334-365

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 4, pages 367-378

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 4, pages 378-380

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 4, pages 381

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 4, pages 382-390

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 2, pages 87-133

Published in Journal of The Arnold Arboretum, in 1954, in volume 35, issue 2, pages 167-188

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 1-81

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 275-333

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 189-200

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 203-238

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 266-267

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 134-156

Published in Journal of the Arnold Arboretum, in 1954, in volume 35, pages 158-166