Horsford's autumn supplement for 1906 : hardy plants from a hardy climate - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Fred'k H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1904)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1906)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1907)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1908)

Horsford's Nurseries - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.H. Horsford, 1910)

Horticulteur belge, journal des jardiniers et amateurs (1833)

The horticultural exhibitors' handbook. A treatise on cultivating, exhibiting, and judging plants, flowers, fruits, and vegetables - Dunn, Malcolm. (W. Blackwood, 1892)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1837)

Horticultural register, and gardener's magazine - Breck, Joseph, 1794 -1873 (G. D. Barrett [etc.], 1838)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1831)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1832)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1834)

The Horticultural register, and general magazine - Paxton, Joseph, Sir, 1803 -1865 (Baldwin and Cradock, 1836)

Horticultural societies of Ontario. Report - Ontario. Dept. of Agriculture (King's Printer, 1917)

Horticultural supplies, seeds - Dunne & Co. (Dunne & Co, 1899)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1905)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1904)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1921)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1906)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1907)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1908)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1909)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1910)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1911)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1912)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1913)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1914)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1915)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1916)

Horticulture - Pennsylvania Horticultural Society. (Horticulture Pub. Co, 1917)