Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 1-37,
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 68-93
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 161-171
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 176-220
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 369-384
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 385-390
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 391-397
Published in Journal of the Arnold Arboretum, in 1959, in volume 40, pages 413-419
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 1, pages 38-67
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 2, pages 113-155
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 2, pages 156-157
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 2, pages 158-160
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 2, pages 172-175
STUDIES IN THE GENUS COCCOLOBA, VII. A SYNOPSIS AND KEY TO THE SPECIES IN MEXICO AND CENTRAL AMERICA
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 3, pages 205-220
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 3, pages 221-259
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 3, pages 260-267
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 3, pages 289-297
Published in Journal of The Arnold Arboretum, in 1959, in volume 40, issue 3, pages 298-326