Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1961)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1970)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1972)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1974)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1975)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1976)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1977)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1978)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1980)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1982)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1984)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1986)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1987)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1988)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1989)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1990)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1991)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1992)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1996)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1998)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1999)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2000)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2002)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2004)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2008)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2010)

Wayside Gardens root strength, 1940 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wayside Gardens, 1940)

We are growing - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beckert Seed & Bulb Co, 1923)

Weeber & Don 1915 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Weeber & Don, 1915)