The orchid hybrids enumeration and classification of all hybrids of orchids published up to October 15, 1895 - Hansen, Geo. (George), 1863 -1908 (Dulau, 1895)

The orchid manual : for the cultivation of stove, greenhouse, and hardy orchids, with a calendar of monthly operations, and classified lists of species - Appleby, Thomas. (Journal of Horticulture and Cottage Gardener Office, 1861)

Orchid news – December 1948 - January-February 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. Kirch–Orchids, 1949)

Orchid plants and orchid seed - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Clarence M. Kilian, 1948)

Orchid price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1949)

Orchid price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Cecil Houdyshel, 1948)

The Orchid review (Orchid Review ltd.], 1893)

The Orchid review (Orchid Review ltd.], 1894)

The Orchid review (Orchid Review ltd.], 1895)

The Orchid review (Orchid Review ltd.], 1896)

The Orchid review (Orchid Review ltd.], 1897)

The Orchid review (Orchid Review ltd.], 1898)