Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 48-60

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 163-167

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 181-196,

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 197-205

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 277-279

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 280-364

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 472-481

Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 482-483

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 1-36

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 37-47

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 67-78

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 79-84

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 85-92

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 93-96

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 97-110

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 111-118

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 119-121

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 143-154

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 155-162

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 168

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 169-179

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 180

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 206-211

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 212-213

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 214-228

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 3, pages 229-266

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 3, pages 267-276

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 4, pages 435-471

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 4, pages 484-495

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 4, pages 499