volume | volume (sub)title | year(s) | indexed illustrations (© plantillustrations.org) | ID volume | contributor |
---|---|---|---|---|---|
vol. 1 | 1904 | indexed illustrations: 75 | 6972 | Pennsylvania Horticultural Society, U.S.A. | |
vol. 2 | 1908 | indexed illustrations: 47 | 6973 | Pennsylvania Horticultural Society, U.S.A. |