Ever-sporting Double Stocks (Matthiola)

Bradley: Double Stocks (1726)

Meader: Double Flowers (1764)

A South Briton: On Raising Double Stocks (1842)

Gulielma: Double Blossomed Stocks, &c. (1854)

Johnson: Old Seeds of Stocks (1868)

Nicholson, et al.: Double Stocks (1877)

Chaté: Double Stocks (1881)

Gardeners Chronicle: Double-Flowered Stocks (1888)

Henslow: Origin of Species in Nature (1898)

Rudolph: Old Seeds of Stocks (1903)

Henslow: Metamorphoses of Inflorescences and flowers (1904/5)

de Vries: Double-flowered Stocks (1906)

Frost: Somatic segregation in Matthiola annua (1921)

Gardeners Chronicle: Old Seeds of Stocks (1921)

Fisher: Selection in Ever-sporting Stocks (1933)

Emsweller, et al: Double-flowered Stocks (1937)