Water plants ; a study of aquatic angiosperms - Arber, Agnes Robertson, 1879 -1960 (University Press, 1920)

Waterfowl and their food plants in the Sandhill region of Nebraska - McAtee, W. L. (Waldo Lee) 1883 -1962 (U.S. Dept. of Agriculture, 1920)

Waterfowl of Illinois : status and management - Illinois. Natural History Survey Division (Illinois Natural History Survey, 1999)

Waterfowl production and effects of fire on wetlands in the Pah River Flats - Jandt, R. R. (Randi R.) (U.S. Department of the Interior, Bureau of Land Management, Alaska State Office, 1994)

Waterlilies : aquatic plants and goldfish for pools and aquariums : catalog no. 1847 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1947)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1746 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1946)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalogue no. 837 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1937)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1544 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1944)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1645 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1945)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalogue no. 1039 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1939)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1140 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1940)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalogue number 736 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1936)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1241 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1941)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalogue no. 938 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1938)

Waterlilies, aquatic plants and goldfish for pools and aquariums : catalog no. 1342 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1942)

Waterlilies : aquatic plants, goldfish for pools and aquariums : catalog no. 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1948)

Waterlilies : aquatic plants, goldfish for pools and aquariums. catalog no. 2049 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1949)

Waterlilies : aquatic plants, goldfish for pools and aquariums. catalog no. 2251 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1951)

Waterlilies : aquatic plants, goldfish for pools and aquariums. catalog no. 2150 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Three Springs Fisheries, 1950)

Waterlilies, aquatic plants, perennial borders : ornamental fishes for pools and aquariums - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (The Independence Nurseries Co, 1926)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1949)

Watsonia - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1950)

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, 1978)

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, 1985)

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