Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 122-128
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 129-131
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 133-182
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 319-341
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 397-405
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 407-419
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 437-450
Published in Journal of the Arnold Arboretum, in 1944, in volume 25, issue 1, pages 1-42
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 1, pages 43-83
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 1, pages 84
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 1, pages 85-96
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 1, pages 97-103
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 2, pages 183-205
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 2, pages 206-214
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 2, pages 215-221
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 2, pages 222-270
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 271-298
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 299-318
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 342-348
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 349-395
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 420-430
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 431-453
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 454-466
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 467-480
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 481-487
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 488-497
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 497-500
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 4, pages 501