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		How to know the grasshopper, cockroaches and their allies : pictured-keys for identifying many of the grasshoppers, crickets, katydids, earwigs, termites, cockroaches, praying mantids, rock-crawlers, and walkingsticks occuring in North America, north of Mexico / by Jacques R. Helfer. by Helfer, Jacques R Series: Pictured-key nature series Material type: Text; Audience: General; Publication details: Iowa (USA) : WM.C. Brown, 1953 Availability: No items available. Request article Add to cart (remove)
		How to Know the fall flowers : Pictured keys for determining the more common fall flowering herbaceous... by Cuthbert, Mabel Jaques [aut] Series: Natures Series Material type: Text; Format: print ; Audience: Specialized; Publication details: Iowa [USA] : W.M.C. Brown. 1948 Availability: No items available. Request article Add to cart (remove)
		How to know the spring flowers : pictured-keys for determining the more common spring flowering herbaceous / by Mabel Jaques Cuthbert. by Cuthbert, Mabel Jaques Series: The pictured-key natures series Edition: Revised ed. Material type: Text; Format: print ; Audience: Specialized; Publication details: Iowa (USA) : WM.C. Brown, 1949 Availability: No items available. Request article Add to cart (remove)
		How to Know the Mammals Pictured - Keys for determining to species, all of the Mammals of the United States and Southern Canada. 2a. ed. by Booth, Ernest Series: ; Edition: 2a. ed. Material type: Text Language: Spanish Publication details: Iowa-USA W.C. Brown 1961 Availability: No items available. Request article Add to cart (remove)
		Laboratory studies in elementary zoology by Bilstad, N.,L. Fraser and H.Wolfe Series: ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA W.M. Brown Co. Availability: No items available. Request article Add to cart (remove)
		Book notice. Fleas of western North America by Beqauert,J Series: Psyche ; v.54(2) Edition: Material type: Text Language: Spanish Publication details: Iowa-USA 1947 Availability: No items available. Request article Add to cart (remove)
		An Intergeneric Hybrid Rattlesnake by Bailey,Reeve M Series: The American Naturalist ; v.76 Edition: Material type: Text Language: Spanish Publication details: Iowa-USA 1942 Availability: No items available. Request article Add to cart (remove)
		How to know the Western trees pictured Kays to the native and cultivated trees found growing... by Baerg,Harry J Series: Pictured -Key Nature Series ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA W.M.C. Brown 1955 Availability: No items available. Request article Add to cart (remove)
		How to know the Western trees Pictured-keys to the native and cultivated trees found growing... by Baerg,Harry J Series: Pictured-Key Nature Series ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA W.M.C. Brown 1955 Availability: No items available. Request article Add to cart (remove)
		The toxicity of certain stomach poisons to the June Beetle,Phyllophaga Implicita (Horn) by Andre,Floyd and Philip Pratt Series: Iowa State College Journal of Science ; v.10(3) Edition: Material type: Text Language: Spanish Publication details: Iowa-USA 1936 Availability: No items available. Request article Add to cart (remove)
		Observations on the winter survival of plant lice in Iowa (Homoptera-Aphiidae) by Andre,Floyd and H.D. Tate Series: Iowa State College Journal of Science ; v.7(4) Edition: Material type: Text Language: Spanish Publication details: Iowa-USA 1933 Availability: No items available. Request article Add to cart (remove)
		Races of Zea mays. I. Their recognition and classification by Anderson,Edgar y Hugh Cutler Series: Annals Missouri Botanical Garden ; v.29 Edition: Material type: Text Language: Spanish Publication details: Iowa-USA 1942 Availability: No items available. Request article Add to cart (remove)
		Corn before Columbus by Anderson,Edgar Series: ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA Pioneer Hi-Bred Corn Co. 1947 Availability: No items available. Request article Add to cart (remove)
		The corn plant of today by Anderson,Edgar Series: ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA Pioneer Hi-Bred Corn Co. 1950 Availability: No items available. Request article Add to cart (remove)
		The corn plant of today by Anderson,Edgar Series: ; Edition: Material type: Text Language: Spanish Publication details: Iowa-USA Pioneer Hi-Bred Corn Co. 1950 Availability: No items available. Request article Add to cart (remove)

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